Colubridae

The family Colubridae has 2185 species in SnakeList - 99 venomous and 2086 non-venomous, in 282 genera.

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• Boomslang Dispholidus typus venomous
• California Kingsnake Lampropeltis californiae
• Common Gartersnake Thamnophis sirtalis
• Corn Snake Pantherophis guttatus
• Diamondback Water Snake Nerodia rhombifer
• Grass Snake Natrix natrix
• Milk Snake Lampropeltis triangulum
• Smooth Green Snake Opheodrys vernalis
• Speckled Kingsnake Lampropeltis holbrooki
• Twig Snake Thelotornis capensis venomous
• Western Hognose Snake Heterodon nasicus
• Abor Hills Kukri Snake Oligodon melanozonatus
• Abubaker's Hooded Snake Macroprotodon abubakeri
• Aceh Wolf Snake Lycodon sidiki
• Addur Woodland Snake Aprosdoketophis andreonei
• Aden Kukri Snake Rhynchocalamus arabicus
• Admiralty Islands Groundsnake Stegonotus admiraltiensis
• Adorned Graceful Brown Snake Rhadinaea decorata
• Aesculapian False Coral Snake Erythrolamprus aesculapii
• Aesculapian Snake Zamenis longissimus
• Afar racer Platyceps afarensis
• African Brown Water Snake Afronatrix anoscopus
• African Dwarf Snake Eirenis africanus
• African Shovel-nosed Snake Scaphiophis albopunctatus
• Ahaetulla oxyrhyncha
• Albuquerque Ground Snake Atractus albuquerquei
• Alcala's Reed Snake Calamaria alcalai
• Alcala's Wolf Snake Lycodon alcalai
• Aleman's Snail-eater Plesiodipsas perijanensis
• Algerian Whip Snake Hemorrhois algirus
• Almaden Ground Snake Erythrolamprus almadensis
• Alphonse's Ground Snake Atractus alphonsehogei
• Alsophis sajdaki
• Altos de Pacora Earth Snake Geophis bellus
• Amaral's Ground Snake Caaeteboia amarali
• Amaral's Tropical Racer Mastigodryas amarali
• Amazon Banded Snake Rhinobothryum lentiginosum
• Amazon Basin Tree Snake Imantodes lentiferus
• Amazon Burrowing Snake Apostolepis niceforoi
• Amazon Coastal House Snake Thamnodynastes pallidus
• Amazon False Coral Snake Oxyrhopus rhombifer
• Amazon False Fer-de-lance Xenodon severus
• Amazon Puffing Snake Spilotes sulphureus
• Amazon Tropical Forest Snake Erythrolamprus pygmaeus
• Amazon Water Snake Hydrops martii
• Ameiseophis robinsoni
• American Snail-eater Dipsas articulata
• Amur Ratsnake Elaphe schrenckii
• Andaman Bronze-back Dendrelaphis andamanensis
• Andaman Cat Snake Boiga andamanensis venomous
• Andaman Keelback Fowlea tytleri
• Andaman Wolf Snake Lycodon tiwarii
• Andaman wolf snake Lycodon hypsirhinoides
• Andean Ground Snake Atractus andinus
• Andean Racer Pseudalsophis elegans
• Andean Snail-eater Dipsas andiana
• Anderson's Mountain Keelback Opisthotropis andersonii
• Anderson's Reed Snake Calamaria andersoni
• Andes Centipede Snake Tantilla andinista
• Andrea's Keelback Hebius andreae
• Andreas' Racer Dolichophis andreanus
• Angel's Keelback Rhabdophis angeli venomous
• Angel's Kukri Snake Oligodon macrurus
• Anguilla Racer Alsophis rijgersmaei
• Annam Keelback Hebius annamensis
• Annam Kukri Snake Oligodon annamensis
• Annobon Wood Snake Philothamnus girardi
• Antiguan racer Alsophis antiguae
• Antilles Racer Alsophis antillensis
• Apiaká Keelback Helicops apiaka
• Apostolepis alphonsehogei
• Apostolepis cerradoensis
• Apostolepis collaris
• Apostolepis kikoi
• Apostolepis mariae
• Apostolepis pymi
• Apostolepis underwoodi
• Apreocular Reed Snake Calamaria apraeocularis
• Apte’s slender snake Trachischium apteii
• Apurímac Woodland Racer Drymoluber apurimacensis
• Arabian Cat Snake Telescopus dhara
• Arabian Egg-eater Dasypeltis arabica
• Argentine Pampas Snake Phimophis guerini
• Argus Snail Sucker Sibon argus
• Argyrogena vittacaudata
• Arizona voorhiesi
• Arnaldo's Green Racer Philodryas arnaldoi venomous
• Arrow Ground Snake Erythrolamprus sagittifer
• Aru Island Groundsnake Stegonotus aruensis
• Arunachal Rain Snake Smithophis arunachalensis
• Ashkhabad Dwarf Racer Eirenis medus
• Ashmead's Banded Cat-eyed Snake Leptodeira ashmeadii
• Ashok's Bronzeback Tree Snake Dendrelaphis ashoki
• Ashy Kukri Snake Oligodon cinereus
• Asia Minor Dwarf Racer Eirenis modestus
• Asian Racer Hemorrhois nummifer
• Asian Vine Snake Ahaetulla prasina
• Asiatic Water Snake Trimerodytes aequifasciatus
• Assam Keelback Herpetoreas pealii
• Assam Kukri Snake Oligodon catenatus
• Assam Mountain Snake Plagiopholis nuchalis
• Assamese Cat Snake Boiga quincunciata venomous
• Atahuallpa Saphenophis Snake Saphenophis atahuallpae
• Atlantic Central American Milksnake Lampropeltis polyzona
• Atlantic Forest Racer Dendrophidion atlantica
• Atlantic Forest Snail-eater Dipsas sazimai
• Atlas Ground Snake Atractus atlas
• Atractus aboiporu
• Atractus acheronius
• Atractus akerios
• Atractus altagratiae
• Atractus alytogrammus
• Atractus apophis
• Atractus atratus
• Atractus attenuatus
• Atractus avernus
• Atractus ayeush
• Atractus boimirim
• Atractus boulengerii
• Atractus caete
• Atractus careolepis
• Atractus caxiuana
• Atractus charitoae
• Atractus chthonius
• Atractus dapsilis
• Atractus darienensis
• Atractus depressiocellus
• Atractus echidna
• Atractus edioi
• Atractus eriki
• Atractus franciscopaivai
• Atractus francoi
• Atractus heliobelluomini
• Atractus heyeri
• Atractus hoogmoedi
• Atractus hostilitractus
• Atractus imperfectus
• Atractus insipidus
• Atractus macondo
• Atractus matthewi
• Atractus medusa
• Atractus meridensis
• Atractus micheleae
• Atractus mijaresi
• Atractus multidentatus
• Atractus nasutus
• Atractus natans
• Atractus nawa
• Atractus ochrosetrus
• Atractus orcesi
• Atractus pachacamac
• Atractus paisa
• Atractus pantostictus
• Atractus paulus
• Atractus potschi
• Atractus ronnie
• Atractus spinalis
• Atractus steyermarki
• Atractus stygius
• Atractus surucucu
• Atractus tamaensis
• Atractus tamessari
• Atractus taphorni
• Atractus tartarus
• Atractus titanicus
• Atractus touzeti
• Atractus trefauti
• Atractus turikensis
• Atractus ukupacha
• Atractus vittatus
• Atractus zebrinus
• Awl-headed Snake Lytorhynchus diadema
• Ayamaru Groundsnake Stegonotus ayamaru
• Ayerbes’ snail-eater Sibon ayerbeorum
• Babongan Kukri Snake Oligodon pulcherrimus
• Bahamian Racer (fuscicauda) Cubophis fuscicauda
• Bahia Black-naped Snake Amnesteophis melanauchen
• Baird's Black-headed Snake Tantilla bairdi
• Baird's Patchnose Snake Salvadora bairdi
• Baird's Rat Snake Pantherophis bairdi
• Baja California Coachwhip Masticophis fuliginosus
• Baja California Lyre Snake Trimorphodon lyrophanes
• Baja California Night Snake Hypsiglena slevini
• Baja California Rat Snake Bogertophis rosaliae
• Baker's Cat-eyed Snake Leptodeira bakeri
• Balkan Whip Snake Hierophis gemonensis
• Bamboo Snake Pseudoxenodon bambusicola
• Banded Bronzeback Dendrelaphis striatus
• Banded Cat Snake Boiga saengsomi venomous
• Banded Cat-eyed Snake (annulata) Leptodeira annulata
• Banded Centipede Snake Tantilla supracincta
• Banded Galapagos Snake Pseudalsophis slevini
• Banded Ground Snake Atractus multicinctus
• Banded Hognose Snake Xenodon pulcher
• Banded Kukri Oligodon arnensis
• Banded Pampas Snake Phimophis vittatus
• Banded Racer (fasciolata) Argyrogena fasciolata
• Banded Racer (fasciolatus) Lycodon fasciolatus
• Banded Sand Snake (cincta) Sonora cincta
• Banded Sand Snake (fasciata) Sonora fasciata
• Banded Snail Sucker Tropidodipsas fasciata
• Banded Wolf Snake Lycodon fasciatus
• Banggai Reed Snake Calamaria banggaiensis
• Bangweulu Water Snake Limnophis bangweolicus
• Banks' Wolf Snake Lycodon banksi
• Bar-necked Keelback Fowlea schnurrenbergeri
• Baram False Cobra Pseudoxenodon baramensis
• Baran Dwarf Racer Eirenis barani
• Baran's Dwarf Snake Muhtarophis barani
• Barbour's Centipede Snake Tantilla albiceps
• Barbour's Tropical Ground Snake Trimetopon barbouri
• Barbour's Tropical Racer Mastigodryas bruesi
• Barbour's Water Snake Rhabdophis barbouri venomous
• Barnes’s Cat Snake Boiga barnesii venomous
• Baron's Green Racer Philodryas baroni venomous
• Barotse Water Snake Crotaphopeltis barotseensis
• Barred Forest Racer Dendrophidion vinitor
• Barred Keelback Tropidonophis doriae
• Barred Kukri Snake Oligodon signatus
• Barred Wolf Snake Lycodon striatus
• Barreras Fanged Snake Ialtris agyrtes
• Barron's Kukri Snake Oligodon barroni
• Basin Ground Snake Atractus poeppigi
• Bassler's Snake Eutrachelophis bassleri
• Batjan Frog-eating Snake Stegonotus batjanensis
• Batjan Iridescent Snake Calamorhabdium kuekenthali
• Battersby's Green Snake Philothamnus battersbyi
• Battersby's Reed Snake Calamaria battersbyi
• Bavi Keelback Rhabdophis callichroma venomous
• Beaked Blackhead Apostolepis vittata
• Beautiful calico snake Oxyrhopus formosus
• Beautiful Cat Snake Telescopus pulcher
• Beddome's Cat Snake Boiga beddomei venomous
• Bella Rat Snake Archelaphe bella
• Bengkulu Cat Snake Boiga bengkuluensis venomous
• Bengkulu Reed Snake Calamaria alidae
• Benito Juarez's Earth Snake Geophis juarezi
• Bequaert's Green Snake Philothamnus bequaerti
• Betanien Earth Snake Geophis betaniensis
• Bev Ridgely’s Snail-Eater Sibon bevridgelyi
• Bibron's False Coral Snake Oxyrhopus doliatus
• Bicolored Shadow Snake Synophis bicolor
• Bicolored Swamp Snake Limnophis bicolor
• Bicoloured Reed Snake Calamaria bicolor
• Big Bend Blackhead Snake Tantilla cucullata
• Big Bend Patchnose Snake Salvadora deserticola
• Big Ground Snake Atractus major
• big-eyed tree snake Dendrelaphis macrops
• Big-tooth Snake Lycodon flavozonatus
• Bignose Ground Snake Atractus obtusirostris
• Bindee keelback Rhabdophis bindi venomous
• Binh’s Bronzeback Snake Dendrelaphis binhi
• Bismark Ground Snake Stegonotus heterurus
• Bismark Keelback Tropidonophis hypomelas
• Black Banded Snake Coniophanes melanocephalus
• Black Centipede Snake Tantilla nigra
• Black False Boa Pseudoboa nigra
• Black Forest Racer Drymobius melanotropis
• Black Ground Snake Atractus elaps
• Black Kingsnake Lampropeltis nigra
• Black Milksnake Lampropeltis micropholis
• Black Racer Hypsirhynchus ater
• Black Rat Snake Pantherophis obsoletus
• Black Snake Cubophis caymanus
• Black Swampsnake Liodytes pygaea
• Black Tree Snake (occidentalis) Thrasops occidentalis
• Black-banded Cat-eyed Snake Leptodeira nigrofasciata
• Black-banded Earth Snake Geophis nigrocinctus
• Black-banded Snake Scolecophis atrocinctus
• Black-collared Snake Drepanoides anomalus
• Black-headed Cat Snake Boiga nigriceps venomous
• Black-headed Ground Snake Atractus nigricauda
• Black-headed Smooth Snake Meizodon plumbiceps
• Black-headed Snake (melanocephala) Tantilla melanocephala
• Black-headed Snake (melanocephalus) Rhynchocalamus melanocephalus
• Black-headed Snake (nigriceps) Telescopus nigriceps
• Black-lined Green Snake Hapsidophrys lineatus
• Black-lipped groundsnake Stegonotus melanolabiatus
• Black-striped Rat Snake Ptyas dhumnades
• Black-striped Snake (imperialis) Coniophanes imperialis
• Black-striped Snake (taeniata) Coniophanes taeniata
• Black-ventered Ground Snake Atractus nigriventris
• Blackbelly Centipede Snake Tantilla moesta
• Blackbelly Garter Snake Thamnophis melanogaster
• Blackbelly Ground Snake Atractus melanogaster
• Blackbelly Snake Hydraethiops melanogaster
• Blackbelly Worm-eating Snake Trachischium fuscum
• Blackneck Garter Snake Thamnophis cyrtopsis
• Blakeway's Mountain Snake Plagiopholis blakewayi
• Blanchard's Earth Snake Geophis blanchardi
• Blandings Tree Snake Toxicodryas blandingii
• Blanford's Bridal Snake Lycodon davisonii
• Bleek's Kukri Snake Oligodon waandersi
• Bleeker's Dwarf Snake Calamaria margaritophora
• Blood Snake Stenorrhina freminvillei
• Bloody Ground Snake Atractus sanguineus
• Blossom Krait Rhabdophis ceylonensis venomous
• Blotched Hooknose Snake Ficimia publia
• Blue Flanked Leaf Litter Snake Echinanthera cyanopleura
• Blue Nile Cat Snake Telescopus gezirae
• Blue-eyed Bush Rat Snake Gonyosoma coeruleum
• Blue-necked Keelback Rhabdophis rhodomelas venomous
• Bluebelly Java Snake Tetralepis fruhstorferi
• Bluebelly Kukri Snake Oligodon melaneus
• Blyth's Reticulate Snake Blythia reticulata
• Blythia hmuifang
• Bock's Ground Snake Atractus bocki
• Bocourt's Black-headed Snake Tantilla bocourti
• Bocourt's Ground Snake Atractus bocourti
• Bocourt's Snail-eater Dipsas viguieri
• Boddaert's Tropical Racer Mastigodryas boddaerti
• Boehme's Wolf Snake Lycodon synaptor
• Boeseman's Reed Snake Calamaria boesemani
• Boettger's Keelback Rhabdophis callistus venomous
• Boettger's Sipo Chironius flavolineatus
• Bogert's Shadow Snake Synophis bogerti
• Boie's Dwarf Snake Calamaria virgulata
• Boie's Ground Snake Atractus badius
• Boie's Keelback Rhabdophis spilogaster venomous
• Boie's Kukri Snake Oligodon bitorquatus
• Boie's Many-Tooth Snake Sibynophis geminatus
• Boie's Rough-sided Snake Aspidura brachyorrhos
• Boiga multiocellata venomous
• Boiga whitakeri venomous
• Boiruna sertaneja
• Bolivian Burrowing Snake Apostolepis dorbignyi
• Bolivian Racer Philodryas boliviana venomous
• Bolivian Tree Snake Dipsas turgida
• Boonsong's Keelback Isanophis boonsongi
• Bornean Black Snake Stegonotus borneensis
• Bornean Reed Snake Calamaria borneensis
• Borrelli's Burrowing Snake Apostolepis borellii
• Boulenger's Bronzeback Dendrelaphis bifrenalis
• Boulenger's Centipede Snake Tantilla alticola
• Boulenger's False Coral Snake Oxyrhopus marcapatae
• Boulenger's Keelback Hebius boulengeri
• Boulenger's Keelback (asperrimus) Fowlea asperrimus
• Boulenger's Slender Snake Tachymenis affinis venomous
• Boulenger's Tree Snake Dipsas ventrimaculata
• Bourret's Cat Snake Boiga bourreti venomous
• Bozanti Dwarf Racer Eirenis aurolineatus
• Brahui Racer Platyceps noeli
• Braid Snake Platyceps ladacensis
• Braided Shadow Snake Synophis plectovertebralis
• Brazilian Bird Snake Rhachidelus brazili
• Brazilian Burrowing Snake Gomesophis brasiliensis
• Brazilian False Coral Snake Oxyrhopus trigeminus
• Brazilian Green Racer Philodryas aestiva venomous
• Brazilian Keelback Helicops infrataeniatus
• Brazilian Mussurana Mussurana quimi
• Brazilian Sipo Chironius laevicollis
• Brazilian Snail Eater Dipsas mikanii
• Brazilian Spotted Night Snake Siphlophis longicaudatus
• Brazilian Woodland Racer Drymoluber brazili
• Brazos Water Snake Nerodia harteri
• Bridled Keelback Hebius frenatus
• Briggs' Centipede Snake Tantilla briggsi
• Broadhead Ground Snake Atractus latifrons
• Brokencollar Graceful Brown Snake Rhadinella schistosa
• Brongersma's Reed Snake Calamaria brongersmai
• Brown Bush Snake Philothamnus brunneus
• Brown Fanged Snake Ialtris dorsalis
• Brown Kukri Snake Oligodon purpurascens
• Brown Sipo Chironius fuscus
• Brown Snake Storeria dekayi
• Brown Stream Snake Paratapinophis praemaxillaris
• Brown Trapezoid Snake Smithophis bicolor
• Brown Tree Snake Boiga irregularis venomous
• Brown Vine Snake (anomala) Ahaetulla anomala
• Brown Vinesnake Oxybelis aeneus
• Brown Water Snake (taxispilota) Nerodia taxispilota
• Brown Wolf Snake Lycodon effraenis
• Brown-speckled Whipsnake Ahaetulla pulverulenta
• Buff Striped Keelback Amphiesma stolatum
• Bullsnake Pituophis catenifer
• Burbrink's Keelback Herpetoreas burbrinki
• Burmese Bronzeback Dendrelaphis subocularis
• Burmese Keelback Water Snake Xenochrophis bellulus
• Burrowing Night Snake Philodryas agassizii venomous
• Burrowing Snake Adelphicos nigrilatum
• Butler's Garter Snake Thamnophis butleri
• Butler's Wolf Snake Lycodon butleri
• Buton Island Dwarf Snake Calamaria butonensis
• Caaeteboia gaeli
• Caesar's African Water Snake Grayia caesar
• Calamaria abramovi
• Calamaria concolor
• Calamaria lautensis
• Calamaria Reed Snake Liopeltis calamaria
• Calamitous Shadow Snake Synophis calamitus
• California Mountain Kingsnake Lampropeltis zonata
• Cambodian Kukri Snake (kampucheaensis) Oligodon kampucheaensis
• Camorta Island Stripe-necked Snake Gongylosoma nicobariensis
• Canopy Snail-eating Snake Sibon canopy
• Cantor's Kukri Snake Oligodon cyclurus
• Cantor’s black-headed snake Sibynophis sagittarius
• Cape Gopher Snake Pituophis vertebralis
• Cape Striped Whipsnake Masticophis aurigulus
• Capistrata Centipede Snake Tantilla capistrata
• Cardamom Mountains Wolf Snake Lycodon cardamomensis
• Caribbean Water Snake Tretanorhinus variabilis
• Carr's Snail Sucker Sibon carri
• Cat Snake Telescopus fallax
• Cat-eyed Snake (septentrionalis) Leptodeira septentrionalis
• Catesby's Pointed Snake Uromacer catesbyi
• Catesby's Snail-eater Dipsas catesbyi
• Cave Racer Elaphe taeniura
• Ceboruco Centipede Snake Tantilla ceboruca
• Cedros Gopher Snake Pituophis insulanus
• Cei's Ground Snake Erythrolamprus ceii
• Celebes Black-tailed Ratsnake Gonyosoma jansenii
• Cenaspis aenigma
• Central African Egg-eating Snake Dasypeltis fasciata
• Central America Lizard Eater Mastigodryas alternatus
• Central American Centipede Snake Tantilla taeniata
• Central American Indigo Snake Drymarchon melanurus
• Central American Lyre Snake Trimorphodon quadruplex
• Central American Tree Snake Imantodes gemmistratus
• Central Burrowing Snake Apostolepis flavotorquata
• Central Plains Milksnake Lampropeltis gentilis
• Central Sipo (maculoventris) Chironius maculoventris
• Central Sipo (quadricarinatus) Chironius quadricarinatus
• Ceram Dwarf Snake Calamaria ceramensis
• Cerberus Groundsnake Atractus cerberus
• Cerrado Blackhead Apostolepis albicollaris
• Cerrado Racer Philodryas livida venomous
• Cerralvo longnose snake Rhinocheilus etheridgei
• Cerro Texiguat Earth Snake Geophis damiani
• Ceylon Keelback Aspidura ceylonensis
• Ceylon Wolf Snake Lycodon carinatus
• Chaco Burrowing Snake Phalotris normanscotti
• Chacoan Blackhead Apostolepis breviceps
• Chan-ard Mountain Reed Snake Macrocalamus chanardi
• Chapa Mountain Keelback Opisthotropis jacobi
• Chapada Diamantina Sipo Chironius diamantina
• Chapare Snail-eater Dipsas chaparensis
• Checkered Garter Snake Thamnophis marcianus
• Checkered Keelback Xenochrophis piscator
• Chequered Keelback Fowlea piscator
• Chersodromus australis
• Chersodromus nigrum
• Chiapan Stripeless Snake Coniophanes alvarezi
• Chiapas Earth Snake Geophis cancellatus
• Chicken Snake Spilotes pullatus
• Chihuahuan Blackhead Snake Tantilla wilcoxi
• Chihuahuan Nightsnake Hypsiglena jani
• Chilean Green Racer Philodryas chamissonis venomous
• Chilean Slender Snake Tachymenis chilensis venomous
• Chin Hills Keelback Hebius venningi
• Chinese Bamboo Snake Pseudoxenodon karlschmidti
• Chinese Keelback Water Snake Trimerodytes percarinatus
• Chinese Kukri Snake Oligodon chinensis
• Chinese Leopard Snake Elaphe bimaculata
• Chinese Many-tooth Snake Sibynophis chinensis
• Chinese Mountain Keelback Opisthotropis kuatunensis
• Chinese Mountain Snake Plagiopholis styani
• Chironius laurenti
• Chiwen Keelback Rhabdophis chiwen venomous
• Chlorosoma dunupyana
• Chlorosoma laticeps
• Chocoan Blunt-headed Vine Snake Imantodes chocoensis
• Chotaophis padhriensis
• Christine's Blackhead Apostolepis christineae
• Chucantí Centipede Snake Tantilla berguidoi
• Cincuate Bull Snake Pituophis lineaticollis
• Clarión Whip Snake Masticophis anthonyi
• Clark's Forest Racer Dendrophidion clarkii
• Clark's Ground Snake Atractus clarki
• Clelia hussami
• Clelia langeri
• Clifton's Lizard Eater Mastigodryas cliftoni
• Cloud Forest Earth Snake Geophis nephodrymus
• Cloud Forest Parrot Snake Leptophis modestus
• Clouded Reed Snake Calamaria nebulosa
• Cloudy Snail-eating Snake Sibon nebulatus
• Coachwhip Masticophis flagellum
• Coal Snake Pseudoboa neuwiedii
• Coast Nightsnake Hypsiglena ochrorhynchus
• Coastal House Snake (strigatus) Thamnodynastes strigatus
• Coffee Earth Snake Geophis nasalis
• Collared Catsnake Boiga nuchalis venomous
• Collared Dwarf Snake Eirenis collaris
• Collared Ground Snake Atractus collaris
• Collared Kukri Snake Oligodon torquatus
• Collared Reed Snake (leucogaster) Calamaria leucogaster
• Collared Reed Snake (pavimentata) Calamaria pavimentata
• Colombian Earth Snake (brachycephalus) Geophis brachycephalus
• Colombian Earth Snake (nigroalbus) Geophis nigroalbus
• Colombian Frog-eating Snake Diaphorolepis laevis
• Colombian Longtail Snake Enuliophis sclateri
• Colombo Wolf Snake Lycodon anamallensis
• Colorado Desert Shovelnose Snake Chionactis annulata
• Coluber alternans
• Coluber anceps
• Coluber arboreus
• Coluber arctiventris
• Coluber arges
• Coluber atratus
• Coluber cadurci
• Coluber caerulescens
• Coluber caeruleus
• Coluber caspioides
• Coluber chiametla
• Coluber chironius
• Coluber cinereus
• Coluber corallinus
• Coluber cupreus
• Coluber cyaneus
• Coluber doliatus
• Coluber dolnicensis
• Coluber domicella
• Coluber eririo
• Coluber flaviceps
• Coluber foetidus
• Coluber glyripeta
• Coluber gyarosensis
• Coluber hastatus
• Coluber hygeiae
• Coluber ibiboboca
• Coluber jacapara
• Coluber kormosi
• Coluber latonia
• Coluber linkii
• Coluber melanepis
• Coluber merkurensis
• Coluber oryzivorus
• Coluber oularsawa
• Coluber ovivorus
• Coluber robertmertensi
• Coluber slevini
• Coluber tisiphone
• Common bilineate Blackhead Apostolepis dimidiata
• Common Bronzeback Dendrelaphis schokari
• Common Cat Snake Boiga trigonata venomous
• Common Collared Snake Pseudorabdion collaris
• Common Egg Eater Dasypeltis scabra
• Common Graceful Brown Snake Rhadinaea pulveriventris
• Common Green Racer Chlorosoma viridissimum
• Common Island Racer Arrhyton vittatum
• Common Kingsnake Lampropeltis getula
• Common Many-tooth Snake Sibynophis collaris
• Common Neckband Snake Scaphiodontophis venustissimus
• Common Ringneck Gongylosoma scriptum
• Common Rough-sided Snake Aspidura trachyprocta
• Common Spotted Night Snake Siphlophis leucocephalus
• Common Watersnake Nerodia sipedon
• Common Wolf Snake (aulicus) Lycodon aulicus
• Common Wolf Snake (capucinus) Lycodon capucinus
• Common Wolf Snake (solivagus) Lycodon solivagus
• Common Wormsnake Carphophis amoenus
• Conant's Garter Snake Thamnophis conanti
• Concho Water Snake Nerodia paucimaculata
• Confusing Egg Eater Dasypeltis confusa
• Cope's Antilles Snake Hypsirhynchus parvifrons
• Cope's Black-striped Snake Coniophanes piceivittis
• Cope's Coffee Snake Ninia psephota
• Cope's Earth Snake Conopsis acuta
• Cope's False Coral Snake Pliocercus euryzonus
• Cope's Forest Racer Dendrophidion paucicarinatum
• Cope's Ground Snake Atractus microrhynchus
• Cope's Mountain Meadow Snake Adelophis copei
• Cope's Parrot Snake Leptophis depressirostris
• Cope's Rough-side Aspidura copei
• Cope's Snail Sucker Sibon anthracops
• Cope's Snail-eater Dipsas copei
• Cope's Tropical Ground Snake Trimetopon pliolepis
• Cope's Tropical Racer Mastigodryas pulchriceps
• Cope's Vine Snake Oxybelis brevirostris
• Copper Parrot Snake Leptophis cupreus
• Coral Earth Snake Geophis semidoliatus
• Coral Red Kukri Snake Oligodon kheriensis
• Coronella miocaenica
• Costa Rica Coffee Snake Ninia celata
• Costa Rica Water Snake Hydromorphus concolor
• Costa Rican Glasstail Snake Urotheca pachyura
• Costa Rican Snaileater Sibon lamari
• Costal Lyre Snake Trimorphodon biscutatus
• Crayfish Snake Liodytes rigida
• Cross-barred Snake Dipsadoboa aulica
• Cross-marked Egg-eater Dasypeltis crucifera
• Crown Ground Snake Erythrolamprus viridis
• Crowned Dwarf Racer Eirenis coronella
• Crowned False Boa Pseudoboa coronata
• Crowned Graceful Brown Snake Rhadinaea laureata
• Crying Keelback Hebius lacrima
• Cu Lao Cham Kukri Snake Oligodon culaochamensis
• Cuban Island Racer Arrhyton ainictum
• Cuban Lesser Racer Caraiba andreae
• Cuban Racer Cubophis cantherigerus
• Cuc's Mountain Snake Opisthotropis cucae
• Culebra Paraphimophis rusticus
• Cunene Racer Mopanveldophis zebrinus
• Cusuco Graceful Brown Snake Rhadinella pegosalyta
• Cuyan Burrowing Snake Phalotris cuyanus
• Cyprus Whip Snake Hierophis cypriensis
• Dagger-tooth Vine Snake Xyelodontophis uluguruensis
• Dahl's Whip Snake Platyceps najadum
• Dahlak Racer Platyceps largeni
• Dalat Dwarf Snake Calamaria buchi
• Damara Tiger Snake Telescopus finkeldeyi
• Daniel's Keelback Helicops danieli
• Daniel's Tropical Racer Mastigodryas danieli
• Dao Van Tien's Stream Snake Opisthotropis daovantieni
• Dark green snake Coluber viridiflavus
• Dark Ground Snake Atractus melas
• Dark-bellied Earth Snake Geophis zeledoni
• Dark-bellied Reed Snake Calamaria curta
• Dark-Grey Ground Snake Elapoidis fusca
• Dark-headed Dwarf Racer (nigrofasciatus) Eirenis nigrofasciatus
• Dark-headed Dwarf Racer (persicus) Eirenis persicus
• Dark-headed Sabah Groundsnake Stegonotus caligocephalus
• Darwin's Racer Pseudalsophis darwini
• Dary's Burrowing Snake Adelphicos daryi
• Dasypeltis congolensis
• Dasypeltis parascabra
• Daudin's Bronzeback Dendrelaphis tristis
• David's Wolf Snake Lycodon davidi
• Dayan's Kukri Snake Rhynchocalamus dayanae
• De Lema's Ground Snake Apostolepis thalesdelemai
• De Rooij's groundsnake Stegonotus derooijae
• de Silva’s Rough-Side Snake Aspidura desilvai
• Deccan Wolf Snake Lycodon deccanensis
• Degenhardt's Scorpion-eating Snake Stenorrhina degenhardtii
• Delacour's Mountain Snake Plagiopholis delacouri
• Dendrophidion apharocybe
• Dendrophidion prolixum
• Deppe's Centipede Snake Tantilla deppei
• Derafshi Snake Lytorhynchus ridgewayi
• Desert Hooknose Snake Gyalopion quadrangulare
• Desert Kingsnake Lampropeltis splendida
• Desert Nightsnake Hypsiglena chlorophaea
• Despax's Ground Snake Atractus paucidens
• Despax's Parrot Snake Leptophis riveti
• Deuve's Kukri Snake Oligodon deuvei
• Devil's Head Spotted Night Snake Siphlophis ayauma
• Diadem Snake Spalerosophis diadema
• Diadophis elinorae
• Diamondback Night Stalker Toxicodryas adamanteus
• DiCaprio’s Snail-eating Snake Sibon irmelindicaprioae
• Dice Snake Natrix tessellata
• Diehl’s Little Ground Snake Stegonotus diehli
• Dinodon horridus
• Dione Snake Elaphe dione
• Dipsas carinata
• Dipsas oligozonata
• Discovery Ground Snake Atractus discovery
• Diurnal Vine Snake Xenoxybelis argenteus
• Dixon's Ground Snake Erythrolamprus atraventer
• Dog-toothed Cat Snake Boiga cynodon venomous
• Dolniceophis lehmani
• Dominican Racer Alsophis sibonius
• Dominic’s reed snake Calamaria dominici
• Donaji's Slender Leaflitter Snake Rhadinella donaji
• Doria's Green Snake Ptyas doriae
• Dorr's Racer Bamanophis dorri
• Dotted Brown Snake Sordellina punctata
• Dotted Dwarf Snake Eirenis punctatolineatus
• Double Striped Kukri Snake Oligodon bivirgatus
• Double-banded Coral Snake Mimic Erythrolamprus bizona
• Downs' Earth Snake Geophis immaculatus
• Drab Ground Snake Erythrolamprus festae
• Drapiez's Cat Snake Boiga drapiezii venomous
• Drummond-Hay's Rough-sided Snake Aspidura drummondhayi
• Dryinoides oxyrhachis
• Dugès' Earth Snake Geophis dugesii
• Dull Bamboo Snake Pseudoxenodon inornatus
• Dumeril's Diadem Snake Phalotris lemniscatus
• Duméril's False Coral Snake Oxyrhopus clathratus
• Duméril's Kukri Snake Oligodon sublineatus
• Duméril's Wolf Snake Lycodon dumerilii
• Dunn's Earth Snake Geophis dunni
• Dunn's Ground Snake Atractus dunni
• Dunn's Road Guarder Crisantophis nevermanni
• Dunn's Saphenophis Snake Saphenophis antioquiensis
• Dunn's Snail Sucker Sibon dunni
• Dunn's Tree Snake Dipsas vagrans
• Dunn's Tropical Ground Snake Trimetopon simile
• Dunn's Water Snake Hydromorphus dunni
• Durand's Mountain Stream Snake Opisthotropis durandi
• Dusky Wolf Snake Lycodon albofuscus
• Dwarf Reed Snake Pseudorabdion longiceps
• Döderlein's Reed Snake Calamaria doederleini
• East African Egg Eater Dasypeltis medici
• East Papuan Keelback Tropidonophis aenigmaticus
• East-Four-lined Ratsnake Elaphe sauromates
• Eastern bronzeback tree snake Dendrelaphis proarchos
• Eastern Cat Snake Boiga gocool venomous
• Eastern Crowned Smooth Snake Meizodon regularis
• Eastern Fox Snake Pantherophis vulpinus
• Eastern Hognose Snake Heterodon platirhinos
• Eastern Indigo Snake Drymarchon couperi
• Eastern Rat Snake Pantherophis alleghaniensis
• Eastern Ribbonsnake Thamnophis saurita
• Eastern Trinket Snake Elaphe cantoris
• Eastern Vine Snake Thelotornis mossambicanus venomous
• Eberhardt's Kukri Snake Oligodon eberhardti
• Echinanthera amoena
• Echinanthera cephalomaculata
• Echinanthera melanostigma
• Ecuador Frog-eating Snake Diaphorolepis wagneri
• Ecuador Sipo Chironius grandisquamis
• Ecuador Snail-eater Dipsas oreas
• Ecuadorean Ground Snake Atractus ecuadorensis
• Egyptian Catsnake Telescopus obtusus
• Egyptian Egg-eater Dasypeltis bazi
• Eight-lined Keelback Hebius octolineatus
• Eight-striped Kukri Snake Oligodon octolineatus
• Eirenis rafsanjanicus
• Eirenis yassujicus
• Eiselt's Dwarf Racer Eirenis eiselti
• Eiselt's Dwarf Reed Snake Pseudorabdion eiselti
• Eiselt's Reed Snake Calamaria eiselti
• El Molote Earth Snake Geophis occabus
• El Oro Snail Eater Dipsas bobridgelyi
• Elaphe algorensis
• Elaphe kohfidischi
• Elaphe lineata
• Elaphe nebraskensis
• Elaphe paralongissima
• Elaphe praelongissima
• Elaphe szyndlari
• Elegant Bronzeback Dendrelaphis formosus
• Elegant Ground Snake Lygophis elegantissimus
• Elegant Racer Platyceps elegantissimus
• Elegant Snail-eater Dipsas elegans
• Emerald Green Snake Philothamnus heterodermus
• Emerald Snake Hapsidophrys smaragdinus
• Emigdio's Ground Snake Atractus emigdioi
• Emmel's Ground Snake Atractus emmeli
• Enggano Rat Snake Coelognathus enganensis
• English common name not available Elaphe hodgsoni
• Enparaguayan Burrowing Snake Phalotris nigrilatus
• Equatorial Keelback Helicops trivittatus
• Equatorial Mussurana Clelia equatoriana
• Erdis' False Coral Snake Oxyrhopus erdisii
• Erland's Miranda Green Racer Philodryas erlandi venomous
• Erythrolamprus albiventris
• Erythrolamprus andinus
• Erythrolamprus carajasensis
• Erythrolamprus dorsocorallinus
• Erythrolamprus epinephelus
• Erythrolamprus fraseri
• Erythrolamprus ingeri
• Erythrolamprus janaleeae
• Erythrolamprus lamonae
• Erythrolamprus macrosomus
• Erythrolamprus oligolepis
• Erythrolamprus rochai
• Erythrolamprus subocularis
• Erythrolamprus taeniogaster
• Erythrolamprus trebbaui
• Erythrolamprus vitti
• Esmarald Racer Drymobius rhombifer
• Española Racer Pseudalsophis hoodensis
• Espinal's Coffee Snake Ninia espinali
• Espiritu Santo Striped Whipsnake Masticophis barbouri
• Ethiopian Egg Eater Dasypeltis abyssina
• Ethiopian Hook-nosed Snake Scaphiophis raffreyi
• Eutrachelophis papilio
• Everett's Kukri Snake Oligodon everetti
• Everett's Reed Snake Calamaria everetti
• Faded Black-striped Snake Coniophanes schmidti
• Fahimi's ground snake Persiophis fahimii
• Falcon indigo snake Drymarchon caudomaculatus
• False Cat-eyed Snake Pseudoleptodeira latifasciata
• False Coral Snake Erythrolamprus pseudocorallus
• False Fer-de-lance Xenodon rabdocephalus
• False Ficimia Pseudoficimia frontalis
• False Habu Pseudagkistrodon rudis
• False Smooth Snake (cucullatus) Macroprotodon cucullatus
• False Smooth Snake (mauritanicus) Macroprotodon mauritanicus
• False Striped Kukri Snake Oligodon pseudotaeniatus
• False Tomodon Snake Pseudotomodon trigonatus
• False Tree Coral Rhinobothryum bovallii
• False Water Cobra Hydrodynastes gigas venomous
• Fanged Water Snake Ptychophis flavovirgatus
• Fasciolated Kukri Snake Oligodon fasciolatus
• Fat Ground Snake Atractus obesus
• Faust's Wolf Snake Lycodon fausti
• Fernandina Racer Pseudalsophis occidentalis
• Ferron's Wolf Snake Lycodon ferroni
• Fiddle-string Snake Imantodes cenchoa
• Fierce Night Stalker Toxicodryas vexator
• Filetail Ground Snake Sonora aemula
• Filippi's Ground Snake Atractus favae
• Fire-back Keelback Hebius igneus
• Fischer's Cat Snake Toxicodryas pulverulenta
• Fischer's Snail-eating Snake Tropidodipsas fischeri
• Fitzinger's False Coral Snake Oxyrhopus fitzingeri
• Five-striped Snake Coniophanes quinquevittatus
• Flaming Ground Snake Atractus flammigerus
• Flat-headed Kukri Snake Oligodon planiceps
• Flathead Snake Tantilla gracilis
• Flores Ground Snake Stegonotus florensis
• Florida Brown Snake Storeria victa
• Florida Crowned Snake Tantilla relicta
• Florida Green Watersnake Nerodia floridana
• Floridaophis auffenbergi
• Flowered Racer Platyceps florulentus
• Forbes' Graceful Brown Snake Rhadinaea forbesi
• Forbes' Kukri Snake Oligodon forbesi
• Forcart's Reed Snake Calamaria forcarti
• Forest Flame Snake Oxyrhopus petolarius
• Forest Marsh Snake Natriciteres sylvatica
• Forest Racer Dendrophidion bivittatus
• Forest Sharp-tailed Snake Contia longicauda
• Formosa Kukri Snake Oligodon formosanus
• Formosa Wolf Snake Lycodon ruhstrati
• Forsten's Cat Snake Boiga forsteni venomous
• Forsten's Pointed Snake Rabdion forsteni
• Four-lined Snake Elaphe quatuorlineata
• Fox's Mountain Meadow Snake Adelophis foxi
• Frog-eater Snake Echinanthera undulata
• Fronted Ground Snake Lygophis flavifrenatus
• Futsing Wolf Snake Lycodon futsingensis
• Gaige's Ground Snake Atractus gaigeae
• Gaige's Pine Forest Snake Rhadinaea gaigeae
• Gaige's Thirst Snail-eater Dipsas gaigeae
• Galapagos Racer Pseudalsophis biserialis
• Gammie's Wolf Snake Lycodon gammiei
• Gans' Egg Eater Dasypeltis gansi
• Gansophis potwarensis
• Garland Centipede Snake Tantilla sertula
• Gary's Mountain Keelback Opisthotropis alcalai
• Genting Highlands Reed Snake Macrocalamus gentingensis
• George Jett's Snail-Eater Dipsas georgejetti
• Gervais' Reed Snake Calamaria gervaisii
• Ghana Herald Snake Crotaphopeltis hippocrepis
• Gia Lai Reed Snake Calamaria gialaiensis
• Giant Garter Snake Thamnophis gigas
• Giant Ground Snake Atractus gigas
• Gibara White-collared Racerlet Arrhyton albicollum
• Gibson's wolf snake Lycodon gibsonae
• Giri's Bronzeback Tree Snake Dendrelaphis girii
• Glossy Snake Arizona elegans
• Glossy-bellied Racer Platyceps ventromaculatus
• Godman's Earth Snake Geophis godmani
• Godman's Garter Snake Thamnophis godmani
• Godman's Graceful Brown Snake Rhadinella godmani
• Goias Burrowing Snake Apostolepis goiasensis
• Gold-ringed Cat Snake (dendrophila) Boiga dendrophila venomous
• Gold-ringed Cat Snake (melanota) Boiga melanota venomous
• Golden Flying Snake Chrysopelea ornata
• Golden Liophis Erythrolamprus semiaureus
• Golden-bellied Reed Snake Macrocalamus emas
• Golden-belly snake Lygophis anomalus
• Goldenhead Garter Snake Thamnophis chrysocephalus
• Gomes' Burrowing Snake Apostolepis cearensis
• Gomes' Pampas Snake Rodriguesophis iglesiasi
• Gongshan Wolf Snake Lycodon gongshan
• Gore's Bronzeback (biloreatus) Dendrelaphis biloreatus
• Gore's Bronzeback (walli) Dendrelaphis walli
• Grabowsky's Reed Snake Calamaria grabowskyi
• Graceful Mountain Snake Rhadinophanes monticola
• Graceful Racer Platyceps gracilis
• Graceful Snail-eater Dipsas gracilis
• Graham's Crayfish Snake Regina grahamii
• Grass Snake (helvetica) Natrix helvetica
• Gray Bronzeback (caudolineatus) Dendrelaphis caudolineatus
• Gray Bronzeback (modestus) Dendrelaphis modestus
• Gray Cat Snake Boiga siamensis venomous
• Gray Lora Leptophis stimsoni
• Gray Rat Snake Pantherophis spiloides
• Gray's Kukri Snake Oligodon dorsalis
• Gray-banded Kingsnake Lampropeltis alterna
• Great Plains Rat Snake Pantherophis emoryi
• Greater Centipede Snake Tantilla impensa
• Greater Green Snake Ptyas major
• Green Bush Snake Philothamnus nitidus
• Green Cat Snake Boiga cyanea venomous
• Green Highland Racer Drymobius chloroticus
• Green Keelback Rhabdophis nigrocinctus venomous
• Green Rat Snake (nigromarginata) Ptyas nigromarginata
• Green Rat Snake (triaspis) Senticolis triaspis
• Green Tree Snake Dendrelaphis punctulatus
• Green treesnake Dendrelaphis calligaster
• Green Trinket Snake Gonyosoma prasinum
• Green Vine Snake (fulgidus) Oxybelis fulgidus
• Green Vine Snake (nasuta) Ahaetulla nasuta
• Green Water Snake Philothamnus hoplogaster
• Greer’s Kingsnake Lampropeltis greeri
• Grey Ground Snake Atractus occipitoalbus
• Ground Snake (exiguus) Magliophis exiguus
• Ground Snake (semiannulata) Sonora semiannulata
• Groundwater's Keelback Hebius groundwateri
• Groves' Pointed Snake Rabdion grovesi
• Gua Wang Burma Wolf Snake Lycodon cavernicolus
• Guaiquinima Bush Racer Philodryas cordata venomous
• Guanabara Spotted Night Snake Siphlophis pulcher
• Guanaja Longtail Snake Enulius bifoveatus
• Guane Tree Snake Imantodes guane
• Guangdong Keelback Rhabdophis guangdongensis venomous
• Guangxi Cat Snake Boiga guangxiensis venomous
• Guangxi kukri snake Oligodon lungshenensis
• Guanxi Mountain Keelback Opisthotropis guangxiensis
• Guatemala Neckband Snake Scaphiodontophis annulatus
• Guatemalan Earth Snake Chapinophis xanthocheilus
• Guatemalan Vine Snake Oxybelis koehleri
• Guerreran Centipede Snake Tantilla coronadoi
• Guerreran Earth Snake Geophis omiltemanus
• Guerreran Hooknose Snake Ficimia ruspator
• Guerreran Pine Woods Snake Rhadinaea omiltemana
• Guerrero Black-striped Snake Coniophanes taylori
• Guerrero Slender Leaf Litter Snake Rhadinella dysmica
• Guianan Green Snake Xenodon werneri
• Guibe's Flame Snake Oxyrhopus guibei
• Gulf Coast Vine Snake Oxybelis potosiensis
• Gunther's Bronzeback Tree Snake Dendrelaphis caudolineolatus
• Gunung Kerinchi Keelback Hebius kerinciensis
• Günther's Dwarf Reed Snake Pseudorabdion oxycephalum
• Günther's False Coral Snake Erythrolamprus guentheri
• Günther's False Fer-de-lance Xenodon guentheri
• Günther's Forest Racer Dendrophidion brunneum
• Günther's Green Liophis Erythrolamprus albertguentheri
• Günther's Green Racer Philodryas psammophidea venomous
• Günther's Green Tree Snake Dipsadoboa unicolor
• Günther's Ground Snake Atractus guentheri
• Günther's Island Racer Arrhyton taeniatum
• Günther's Keelback Rhabdophis chrysargoides venomous
• Günther's Many-tooth Snake Sibynophis bistrigatus
• Günther's Reed Snake Liopeltis frenata
• Günther's Rough-sided Snake Aspidura guentheri
• Günther's Tropical Ground Snake Trimetopon gracile
• Günther's Vine Snake Ahaetulla dispar
• Haas's Bronzeback Snake Dendrelaphis haasi
• Habana Island Racer Arrhyton dolichura
• Hagmann's Keelback Helicops hagmanni
• Hai Ha Mountain Stream Keelback Opisthotropis haihaensis
• Hainan Island Keelback Snake Rhabdophis confusus venomous
• Hainan Keelback Rhabdophis adleri venomous
• Hainan Rhinoceros Snake Gonyosoma hainanense
• Hainanese Stream Snake Trimerodytes balteatus
• Haitian Ground Snake Ialtris haetianus
• Hakkari Dwarf Racer Eirenis hakkariensis
• Hallberg's Cloud Forest Snake Cryophis hallbergi
• Hallowell's Centipede Snake Tantilla vermiformis
• Hallowell's Coffee Snake Ninia atrata
• Hallowell's Ground Snake Atractus fuliginosus
• Halmahera Keelback Tropidonophis punctiventris
• Hampton's Kukri Snake Oligodon hamptoni
• Hannstein's Spot-lipped Snake Rhadinella hannsteini
• Hardy's Hooknose Snake Ficimia hardyi
• Harvey’s Blackhead Apostolepis multicincta
• Hawbeack Blackhead Apostolepis polylepis
• Head-striped Leaf-litter Snake Echinanthera cephalostriata
• Heath's Tropical Racer Mastigodryas heathii
• Hebius arquus
• Hebius nigriventer
• Helicops boitata
• Helicops phantasma
• Hempstead's Pine Woods Snake Rhadinella hempsteadae
• Henderson's Peten Centipede Snake Tantilla hendersoni
• Hensel's Snake Ditaxodon taeniatus
• Herrmann's Water Snake Hydrodynastes bicinctus venomous
• Heterodon plionasicus
• Hidden Snail-eating Snake Dipsas aparatiritos
• Highland Earth Snake Geophis mutitorques
• Highland Garter Snake Thamnophis fulvus
• Highland Keelback Tropidonophis parkeri
• Himalayan Keelback Herpetoreas platyceps
• Himalayan Stripe-necked Snake Liopeltis rappi
• Hispanic Ground Snake Atractus oculotemporalis
• Hispaniola Cat-eyed Snake Hypsirhynchus ferox
• Hispaniola Racer Haitiophis anomalus
• Hispanophis coronelloideus
• Hoffmann's Earth Snake Geophis hoffmanni
• Hoge's Ground Snake Lygophis paucidens
• Hognose Lineate Blackhead Apostolepis lineata
• Holarchus konishii
• Hollinrake's Bronzeback Dendrelaphis hollinrakei
• Honduran milk snake Lampropeltis abnorma
• Hong Kong Dwarf Snake Calamaria septentrionalis
• Horseshoe Whip Snake Hemorrhois hippocrepis
• Hoshell's Forest Racer Dendrophidion boshelli
• Hua Hin Kukri Snake Oligodon huahin
• Huaping Wolf Snake Lycodon cathaya
• Hubei Keelback Rhabdophis nuchalis venomous
• Hudson's Coffee Snake Ninia hudsoni
• Hughes' Green Snake Philothamnus hughesi
• Hurria bilineata
• Ibarra Snail-eater Dipsas ellipsifera
• Ibarra's Burrowing Snake Adelphicos ibarrorum
• Iberian Grass Snake Natrix astreptophora
• Ihering's Snake Lioheterophis iheringi
• Impostor Flame-Snake Oxyrhopus vanidicus
• Incaspis amaru
• Indian Desert Tiger Snake Telescopus rhinopoma
• Indian Egg-eater Boiga westermanni venomous
• Indian Flying Snake Chrysopelea taprobanica
• Indian Smooth Snake Coronella brachyura
• Indigo Snake Drymarchon corais
• Indistinct Ground Snake Atractus indistinctus
• Indistinct Groundsnake Atractus esepe
• Indo-Chinese Rat Snake Ptyas korros
• Indonesian Keelback Tropidonophis truncatus
• Inkaterra Vine Snake Oxybelis inkaterra
• Inornate Kukri Snake Oligodon inornatus
• Iridescent Ground Snake Atractus iridescens
• Irregular Green Snake Philothamnus irregularis
• Isla San Esteban Whipsnake Masticophis slevini
• Isla Santa Catalina Nightsnake Hypsiglena catalinae
• Island Pointed Snake Uromacer frenatus
• Islas Revillagigedo Nightsnake Hypsiglena unaocularus
• Isthmian Earth Snake Geophis isthmicus
• Italian Aesculapian Snake Zamenis lineatus
• Jackson's Black Tree Snake Thrasops jacksonii
• Jaeger's Ground Snake Erythrolamprus jaegeri
• Jamaican Black Groundsnake Hypsirhynchus funereus
• Jamaican Long-tailed Groundsnake Hypsirhynchus polylepis
• Jamaican Red Groundsnake Hypsirhynchus callilaemus
• James Peters's Snail-eater Dipsas jamespetersi
• Jan's Centipede Snake Tantilla jani
• Jan's Green Racer Philodryas varia venomous
• Jan's Hognose Snake Xenodon histricus
• Jan's Snail-eater (alternans) Dipsas alternans
• Jan's Snail-eater (incerta) Dipsas incerta
• Jan's Tree Snake Dipsas vagus
• Japanese Four-lined Ratsnake Elaphe quadrivirgata
• Japanese Keelback Hebius vibakari
• Japanese Ratsnake Elaphe climacophora
• Japanese Woodsnake Euprepiophis conspicillata
• Jason's Reed Snake Macrocalamus jasoni
• Jasper Cat Snake Boiga jaspidea venomous
• Javan Keelback Water Snake Fowlea melanozostus
• Javanese Kukri Snake Oligodon propinquus
• Javanese Reed Snake Calamaria javanica
• Jensen's Ground Snake Xenopholis undulatus
• Jerdon's Kukri Snake Oligodon venustus
• Jerdon's Many-tooth Snake Sibynophis subpunctatus
• Jiboinha Tropidodryas striaticeps
• Jingdong Water Snake Trimerodytes yapingi
• Jintakune's Kukri Snake Oligodon jintakunei
• Joan's Snake Coniophanes joanae
• Johann's Keelback Hebius johannis
• Johnson's Centipede Snake Tantilla johnsoni
• Jolo Worm Snake Calamaria joloensis
• Joseph's Racer Platyceps josephi
• Joynson's Kukri Snake Oligodon joynsoni
• Jubones Cat-eyed Snake Leptodeira misinawui
• Julia's Ground Snake Erythrolamprus juliae
• Kageler’s Tree Snake Dipsadoboa kageleri
• Kanalchutchan Graceful Brown Snake Rhadinella kanalchutchan
• Kapuas Reed Snake Calamaria melanota
• Karenland Keelback Hebius terrakarenorum
• Karnataka Bronzeback Dendrelaphis chairecacos
• Karnataka Whipsnake Ahaetulla farnsworthi
• Karoo Tiger Snake Telescopus beetzi
• Keeled Earth Snake Geophis carinosus
• Keeled Rat Snake Ptyas carinata
• Keeled vine snake Proahaetulla antiqua
• Kei Island Groundsnake Stegonotus keyensis
• Kei Treesnake Dendrelaphis keiensis
• Kelung Cat Snake Boiga kraepelini venomous
• Kennedy's Leafnose Snake Lytorhynchus kennedyi
• Kerman Dwarf Snake Eirenis kermanensis
• Khasi Hills Trinket Snake Gonyosoma frenatum
• Khasi Keelback Hebius khasiensis
• Kikuzato's Brook Snake Opisthotropis kikuzatoi
• Kinabalu Water Snake Hydrablabes praefrontalis
• Kinkelin Graceful Brown Snake Rhadinella kinkelini
• Kirtland's Snake Clonophis kirtlandii
• Kirtland's Twig Snake Thelotornis kirtlandii venomous
• Klebba's Snail-Eater Dipsas klebbai
• Kopstein's Bronzeback Snake Dendrelaphis kopsteini
• Korean Ratsnake Elaphe anomala
• Kosempo Keelback Hebius sauteri
• Kuatun Keelback Hebius craspedogaster
• Kukri Snake Oligodon affinis
• Kundu's Wolf Snake Lycodon kundui
• Kutkai Keelback Hebius bitaeniatus
• La Loma Earth Snake Geophis tectus
• La Salle's Shadow Snake Synophis lasallei
• La Vega Racer Hypsirhynchus melanichnus
• La Villa's Snail-eater Dipsas lavillai
• Lacroix Kukri Snake Oligodon lacroixi
• Lacépède's Ground Snake Erythrolamprus cursor
• Ladder Keelback Helicops scalaris
• Ladder Snake Zamenis scalaris
• Lagoa Carumbo Swamp Snake Limnophis branchi
• Lampropeltis intermedius
• Lampropeltis similis
• Lancini's Ground Snake Atractus lancinii
• Langbian Kukri Oligodon tuani
• Laotian Wolf Snake Lycodon laoensis
• Large Whip Snake (caspius) Dolichophis caspius
• Large Whip Snake (jugularis) Dolichophis jugularis
• Large-eyed Green Treesnake Rhamnophis aethiopissa
• Largenose Earth Snake Conopsis nasus
• Lasalle's Ground Snake Atractus lasallei
• Lau's Mountain Stream Snake Opisthotropis laui
• Laudankia Vine Snake Ahaetulla laudankia
• Laurent’s Green Tree-snake Dipsadoboa viridis
• Lead Keelback Rhabdophis plumbicolor venomous
• Lehmann's Ground Snake Atractus lehmanni
• Lema's Ground Snake Lygophis dilepis
• Leonard's Keelback Rhabdophis leonardi venomous
• Leopard Keelback Helicops leopardinus
• Leopard Snake Zamenis situla
• Leptodeira polysticta
• Leptodeira rhombifera
• Leptophis haileyi
• Leptophis vertebralis
• Lesser Sundas Bronzeback Dendrelaphis inornatus
• Lesser Sundas Cat Snake Boiga hoeseli venomous
• Levantine Dwarf Snake Eirenis levantinus
• Leviton's Leafnose Snake Lytorhynchus gasperetti
• Leyte Cat Snake Boiga angulata venomous
• Lichtenstein's Green Racer Philodryas olfersii venomous
• Liebmann's Earth Runner Chersodromus liebmanni
• Light-barred Kukri Snake Oligodon albocinctus
• Lined Ground Snake Lygophis lineatus
• Lined Reed Snake Calamaria griswoldi
• Lined smithophis Smithophis linearis
• Lined Snail Sucker Sibon linearis
• Lined Snake Tropidoclonion lineatum
• Lined Tolucan Earthsnake Conopsis lineata
• Liner's Garter Snake Thamnophis lineri
• Liner's Garter Snake (bogerti) Thamnophis bogerti
• Lingnan Reed Snake Calamaria arcana
• Linnaeus' Sipo Chironius exoletus
• Linne's Dwarf Snake Calamaria linnaei
• Linton's Dwarf Short-tail Snake Tantillita lintoni
• Liopeltis pallidonuchalis
• Liopeltis tiomanica
• Lip-spotted Collared Snake Phalotris labiomaculatus
• Litter Snake Tantilla reticulata
• Little Cayman Racer Cubophis ruttyi
• Little-scaled Ground Snake Atractus pauciscutatus
• Lonely Spotbelly-Snake Coniophanes longinquus
• Long-snouted Dwarf Snake Calamaria longirostris
• Long-snouted kukri snake Oligodon rostralis
• Long-tailed Ringneck Gongylosoma longicauda
• Longhead Burrowing Snake Apostolepis longicaudata
• Longnose Snake Rhinocheilus lecontei
• Longtail Alpine Garter Snake Thamnophis scalaris
• Loos Snake Oligodon taeniolatus
• Loranca's Earth Snake Geophis lorancai
• Lorentz River treesnake Dendrelaphis lorentzii
• Louisiana Pine Snake Pituophis ruthveni
• Loveridge's Ground Snake Atractus loveridgei
• Low's Reed Snake Calamaria lovii
• Luding Wolf Snake Lycodon multizonatus
• Lumholz's Reed Snake Calamaria lumholtzi
• Luzon Bronzeback Dendrelaphis luzonensis
• Luzon Dwarf Snake Calamaria bitorques
• Luzon Kukri Snake Oligodon modestus
• Lycodon unicolor
• Lydia’s Little Snake Tantilla lydia
• Macarena Mountains Snail-eater Dipsas baliomelas
• MacDougall's Graceful Brown Snake Rhadinaea macdougalli
• Mackinnon's Wolf Snake Lycodon mackinnoni
• Madrean Mountain Kingsnake Lampropeltis knoblochi
• Madrean Narrowheaded Garter Snake Thamnophis unilabialis
• Mair's Keelback Tropidonophis mairii
• Maki's Keelback Hebius miyajimae
• Malabar Whipsnake Ahaetulla malabarica
• Malayan Banded Wolf Snake Lycodon subcinctus
• Malayan Bridal Snake Lycodon subannulatus
• Malayan Brown Snake Xenelaphis hexagonotus
• Malayan Many-tooth Snake Sibynophis melanocephalus
• Malayan Mountain Keelback Hebius inas
• Malayan Mountain Reed Snake Macrocalamus lateralis
• Malayan Ringneck Liopeltis tricolor
• Malayan Whipsnake Ahaetulla mycterizans
• Mandarin Ratsnake Euprepiophis mandarinus
• Mangrove Cat-eyed Snake Leptodeira rubricata
• Mangrove Snak Erythrolamprus cobella
• Manila Wolf Snake Lycodon tessellatus
• Manizales Ground Snake Atractus manizalesensis
• Many-banded Green Snake Ptyas multicincta
• Many-banded Tree Snake Boiga multifasciata venomous
• Many-scaled Keelback Tropidonophis multiscutellatus
• Many-spotted Cat Snake Boiga multomaculata venomous
• Marcella's Graceful Brown Snake Rhadinaea marcellae
• Maren's Bronzeback Dendrelaphis marenae
• Margarita Indigo Snake Drymarchon margaritae
• Maringma Tepui Sipo Chironius challenger
• Marisela's Ground Snake Atractus mariselae
• Marley’s Snail-eating Snake Sibon marleyae
• Marsh Snake (fuliginoides) Natriciteres fuliginoides
• Martha’s Groundsnake Atractus marthae
• Maryellen's Ground Snake Erythrolamprus maryellenae
• Mastigodryas moratoi
• Mastigodryas reticulatus
• Mato Grosso Burrowing Snake Phalotris matogrossensis
• Mato Grosso Burrowing Snake (intermedia) Apostolepis intermedia
• Mato Grosso Burrowing Snake (serrana) Apostolepis serrana
• Mato Grosso Hognose Snake Xenodon matogrossensis
• Maxwell's Mountain Keelback Opisthotropis maxwelli
• Maynard's Longnose Sand Snake Lytorhynchus maynardi
• Mayombe Bush Snake Philothamnus mayombensis
• McDougall's Kukri Snake Oligodon mcdougalli
• Mcnamara's Burrowing Snake Pseudorabdion mcnamarae
• Mechel's Reed Snake Calamaria mecheli
• Medog Kukri Snake Oligodon lipipengi
• Mena's Centipede Snake Tantilla lempira
• Mertens' Centipede Snake Tantilla brevicauda
• Mertens' Earth Snake Geophis fulvoguttatus
• Mertens' Tropical Forest Snake Erythrolamprus mertensi
• Mesa Central Earth Snake Geophis laticinctus
• Mesa del Sur Earth Snake (dubius) Geophis dubius
• Mesa del Sur Earth Snake (rostralis) Geophis rostralis
• Mexican Black-headed Snake Tantilla atriceps
• Mexican Brown Snake Storeria storerioides
• Mexican Bull Snake Pituophis deppei
• Mexican Garter Snake Thamnophis eques
• Mexican Hog-nose Snake Heterodon kennerlyi
• Mexican Hook-nosed Snake Ficimia olivacea
• Mexican Hooknose Snake Ficimia streckeri
• Mexican Kingsnake Lampropeltis mexicana
• Mexican Kingsnake (leonis) Lampropeltis leonis
• Mexican Long-nosed Snake Rhinocheilus antonii
• Mexican Longtail Snake Enulius oligostichus
• Mexican Lyre Snake Trimorphodon tau
• Mexican Milksnake Lampropeltis annulata
• Mexican Parrot Snake Leptophis mexicanus
• Mexican Patchnose Snake Salvadora mexicana
• Mexican Plateau Earth Snake Geophis bicolor
• Mexican Short-tail Snake Sympholis lippiens
• Mexican Snake Eater Clelia scytalina
• Mexican Wandering Garter Snake Thamnophis errans
• Mexican White-lipped Snake Symphimus leucostomus
• Mexican Yellowbelly Brown Snake Storeria hidalgoensis
• Michael Sabin’s Ground Snake Atractus michaelsabini
• Michoacan Black-striped Snake Coniophanes michoacanensis
• Michoacán Centipede Snake Tantilla cascadae
• Michoacán Earth Snake Geophis maculiferus
• Michoacán Ground Snake Sonora michoacanensis
• Michoacán Ground Snake (mutabilis) Sonora mutabilis
• Micronatrix juliescottae
• Middle American Burrowing Snake (quadrivirgatum) Adelphicos quadrivirgatum
• Middle American Burrowing Snake (visoninum) Adelphicos visoninum
• Military Ground Snake Erythrolamprus miliaris
• Milne Bay Ground Snake Stegonotus guentheri
• Mimic False Coral Snake Erythrolamprus mimus
• Minacu Blackhead Apostolepis nelsonjorgei
• Minas Gerais Snake Coronelaps lepidus
• Miocoluber dalquesti
• Miranda Green Racer (mattogrossensis) Philodryas mattogrossensis venomous
• Misiones Blackhead Apostolepis quirogai
• Mississippi Green Water Snake Nerodia cyclopion
• miter snake Sonora episcopa
• Miyako Kellback Hebius concelarus
• Miyata's Centipede Snake Tantilla miyatai
• Mizo rain snake Smithophis atemporalis
• Mock Cobra Pseudoxenodon macrops
• Mocquard's Swamp Snake Tretanorhinus mocquardi
• Modest Dwarf Snake Calamaria modesta
• Modest Ground Snake Atractus modestus
• Modest Keelback Hebius modestus
• Modigliani's Dwarf Reed Snake Pseudorabdion modiglianii
• Moellendorff's Trinket Snake Elaphe moellendorffi
• Mole snake Lampropeltis rhombomaculata
• Moluccan Flying Snake Chrysopelea rhodopleuron
• Moluccan Keelback Tropidonophis elongatus
• Montane Egg-eater Dasypeltis atra
• Montane Forest Tree Snake Dipsadoboa montisilva
• Montane Garter Snake Thamnophis exsul
• Montane Treesnake Dendrelaphis gastrostictus
• Monte Cristi Graceful Brown Snake Rhadinella montecristi
• Montserrat Racer Alsophis manselli
• Mora's Road Guarder Conophis morai
• Morice's Kukri Snake Oligodon moricei
• Mosauer’s Ground Snake Sonora mosaueri
• Mossoro Smooth Snake Erythrolamprus mossoroensis
• Mouhot's Cambodian Kukri Snake Oligodon mouhoti
• Mount Gongga Keelback Rhabdophis pentasupralabialis venomous
• Mount Omei Keelback Hebius optatus
• Mountain Burrowing Snake Pseudorabdion montanum
• Mountain Centipede Snake Tantilla insulamontana
• Mountain Dwarf Snake Collorhabdium williamsoni
• Mountain Keelback Helicops angulatus
• Mountain Patchnose Snake Salvadora grahamiae
• Mountain Reed Snake Oreocalamus hanitschi
• Mountain Shadow Snake Synophis insulomontanus
• Mountain Sipo Chironius monticola
• Mountain Worm-eating Snake Trachischium monticola
• Mousehole Snake Philodryas trilineata venomous
• Mud Snake (abacura) Farancia abacura
• Mud Snake (caesurus) Hydrops caesurus
• Mueller's Reed Snake Calamaria muelleri
• Mukut Smooth Snake Gongylosoma mukutense
• Muller's Wolf Snake Lycodon muelleri
• Muruden Keelback Rhabdophis murudensis venomous
• Mussurana (clelia) Clelia clelia
• Mussurana (maculata) Boiruna maculata
• Mussurana montana
• Myers' Graceful Brown Snake Rhadinaea myersi
• Myopic Shadow Snake Emmochliophis miops
• Mêdog Himalayas Keelback Herpetoreas tpser
• Müller's Ground Snake Stegonotus muelleri
• Nagao Kukri Snake Oligodon nagao
• Nagarkot Kukri Snake Oligodon erythrogaster
• Naja suevica
• Namdong Wolf Snake Lycodon chapaensis
• Namsang Kukri Snake Oligodon erythrorhachis
• Nanus planicarinatus
• Narrow-headed Reed Snake Calamaria nuchalis
• Narrow-striped Dwarf Snake Eirenis decemlineatus
• Narrowhead Watersnake Thamnophis rufipunctatus
• Natal Green Snake Philothamnus natalensis
• Natrix flagelliformis
• Natrix forsteri
• Natrix hillmani
• Natrix longivertebrata
• Natrix merkurensis
• Natrix mlynarskii
• Natrix parva
• Natterer's Hognose Snake Xenodon nattereri
• Neckband Ground Snake Atractus torquatus
• Negros Bronzeback Dendrelaphis fuliginosus
• Negros Spotted Water Snake Tropidonophis negrosensis
• Neotropical Snail-eater (bucephala) Dipsas bucephala
• Neotropical Snail-eater (cisticeps) Dipsas cisticeps
• Neotropical Snail-eater (indica) Dipsas indica
• Neotropical Whip Snake Masticophis mentovarius
• Neuwied's False Fer-de-lance Xenodon neuwiedii
• Neuwied's Tree Snake Dipsas neuwiedi
• New Britain Keelback Tropidonophis dahlii
• New Guinea Bronzeback Dendrelaphis lineolatus
• New Guinea Keelback Tropidonophis novaeguineae
• Newman's earth snake Adelphicos newmanorum
• Nganson Bronzeback Dendrelaphis ngansonensis
• Nguyenvansang's snake Colubroelaps nguyenvansangi
• Nichols' Tree Snake Dipsas nicholsi
• Nicobar Cat Snake Boiga wallachi venomous
• Nicobar Island Keelback Hebius nicobariensis
• Nicéforo María's Shadow Snake Synophis niceforomariae
• Night Snake Hypsiglena torquata
• Nikhil's Kukri Snake Oligodon nikhili
• Nilgiri Keelback Hebius beddomei
• Ningshaan Kukri Snake Stichophanes ningshaanensis
• Ninia teresitae
• Norman's Keelback Helicops polylepis
• North African Catsnake Telescopus tripolitanus
• North Irian Montane Keelback Tropidonophis montanus
• Northeastern Puffing Snake Phrynonax polylepis
• Northern Banded Coffee Snake Ninia pavimentata
• Northern Calico Snake Oxyrhopus occipitalis
• Northern Ground Snake Atractus nicefori
• Northern Keelback Hebius deschauenseei
• Northern Marbled Nocturnal Tree Snake Dipsadoboa flavida
• Northern New Guinea Ground Snake Stegonotus modestus
• Northern New Guinea Keelback Tropidonophis mcdowelli
• Northern Red-necked Keelback Rhabdophis helleri venomous
• Northern Short-headed Snake Oligodon ancorus
• Northern Snail-eater Dipsas pavonina
• Northern Vine Snake Ahaetulla borealis
• Northern Woodland Racer Drymoluber dichrous
• Northwestern Garter Snake Thamnophis ordinoides
• Nuevo Leon Graceful Brown Snake Rhadinaea montana
• O'Neill's Tree Snake Dipsas oneilli
• Oaxacan Burrowing Snake Adelphicos latifasciatum
• Oaxacan Cat-eyed Snake Tantalophis discolor
• Oaxacan Centipede Snake Tantilla oaxacae
• Oaxacan Graceful Brown Snake Rhadinaea bogertorum
• Oaxacan Patchnose Snake Salvadora intermedia
• Ocellate Water Snake Hydraethiops laevis
• Ocellated Brown Snake Xenelaphis ellipsifer
• Ocellated Kukri Snake Oligodon ocellatus
• Ocellated Pampas Snake Tomodon ocellatus
• Ogaden Racer (somalicus) Platyceps somalicus
• Oligodon arenarius
• Oligodon cattienensis
• Oligodon condaoensis
• Olive Forest Racer Dendrophidion dendrophis
• Olive Keelback Helicops modestus
• Olive Keelback Wart Snake Atretium schistosum
• Olive Marsh Snake Natriciteres olivacea
• Olive Mountain Keelback Opisthotropis typica
• Olive Oriental Slender Snake Trachischium laeve
• Olive Small-eyed Snake Hydrablabes periops
• Olive Trapezoid Snake Rhabdops olivaceus
• Oliver's Bronzeback Dendrelaphis oliveri
• Oliver's Parrot Snake (coeruleodorsus) Leptophis coeruleodorsus
• Oliver's Parrot Snake (nebulosus) Leptophis nebulosus
• Omoadiphas aurula
• Omoadiphas cannula
• Omoadiphas texiguatensis
• Opisthotropis atra
• Opisthotropis cheni
• Orange-collared Keelback Rhabdophis himalayanus venomous
• Orange-lipped Keelback Rhabdophis flaviceps venomous
• Orangebelly Swamp Snake Tretanorhinus nigroluteus
• Oriental Odd-tooth Snake Lycodon orientalis
• Oriental Ratsnake Ptyas mucosa
• Oriente Black Groundsnake Arrhyton supernum
• Oriente Brown-capped Racerlet Arrhyton redimitum
• Ornate African Water Snake Grayia ornata
• Ornate Cat-eyed Snake Leptodeira ornata
• Ornate Green Snake Philothamnus ornatus
• Ornate Kukri Snake Oligodon ornatus
• Oswaldo Báez’ Snail-Eater Dipsas oswaldobaezi
• Ota's Wolf Snake Lycodon bibonius
• Oueimadas Blackhead Apostolepis gaboi
• Oxybelis transandinus
• Oxyrhopus emberti
• Pachacamac Ground Snake Atractus snethlageae
• Pacific Coast Centipede Snake Tantilla calamarina
• Pacific Coast Parrot Snake Leptophis diplotropis
• Pacific Longtail Snake Enulius flavitorques
• Pacific Patchnose Snake Salvadora lemniscata
• Padang Reed Snake Calamaria abstrusa
• Painted Bronzeback Dendrelaphis pictus
• Painted Keelback (cerasogaster) Xenochrophis cerasogaster
• Painted Keelback (picturatus) Tropidonophis picturatus
• Painted Wolf Snake Lycodon pictus
• Pakaraima Snail-eater Dipsas pakaraima
• Palaeoelaphe kansensis
• Palau Bronzeback Dendrelaphis striolatus
• Palawan bronzeback Dendrelaphis levitoni
• Palawan Kukri Snake Oligodon notospilus
• Palawan Worm Snake Calamaria palawanensis
• Pale Collared Scarlet Snake Pseudoboa martinsi
• Pale Ground Snake Urotheca decipiens
• Paleoheterodon arcuatus
• Paleoheterodon tiheni
• Palestine Kukri Snake Rhynchocalamus satunini
• Palm Egg Eater Dasypeltis palmarum
• Palmer’s Snail-Eater Dipsas palmeri
• Pampas Snake Tomodon dorsatus
• Pamplona Ground Snake Atractus pamplonensis
• Panama Spotted Night Snake Siphlophis cervinus
• Panamenian Earth Snake Geophis championi
• Panay Island Reed Snake Pseudorabdion talonuran
• Papua New Guinea Montane Keelback Tropidonophis statisticus
• Papuan Treesnake Dendrelaphis papuensis
• Paracoluber storeri
• Paradise Tree Snake Chrysopelea paradisi
• Paraguay Green Racer Philodryas nattereri venomous
• Paraguayan Blackhead Apostolepis ambiniger
• Paraguayan Ground Snake Atractus paraguayensis
• Paraná False Boa Pseudoboa haasi
• Paraná Forest Snake Calamodontophis ronaldoi
• Paraxenophis spanios
• Parish's Fanged Snake Ialtris parishi
• Parker's Ground Snake Atractus carrioni
• Parrot Snake Leptophis ahaetulla
• Pará Blackhead Apostolepis nigrolineata
• Patagonia Green Racer Philodryas patagoniensis venomous
• Pegu Kukri Snake Oligodon cruentatus
• Peninsula Glossy Snake Arizona pacata
• Peninsula Stripeless Snake Coniophanes meridanus
• Pere David's Rat Snake Elaphe davidi
• Periergophis micros
• Perkin's Short-headed Snake Oligodon perkinsi
• Persian Rat Snake Zamenis persicus
• Peru Burrowing Snake Apostolepis nigroterminata
• Peru Ground Snake Atractus peruvianus
• Peru Keelback Helicops yacu
• Peru Slender Snake Tachymenis peruviana venomous
• Peru Snail-eater Dipsas peruana
• Peruvian Cat-eyed Snake Leptodeira larcorum
• Peten Centipede Snake (cuniculator) Tantilla cuniculator
• Peters' Black-headed Snake Tantilla petersi
• Peters' Earth Snake Geophis petersii
• Peters' Forest Racer Dendrophidion nuchale
• Peters' Keelback Hebius petersii
• Peters' Running Snake Coniophanes dromiciformis
• Petronella's Kukri Snake Oligodon petronellae
• Pfeffer's Reed Snake Calamaria pfefferi
• Pha-Ngan Kukri Snake Oligodon phangan
• Phalotris concolor
• Phalotris illustrator
• Phalotris lativittatus
• Phalotris multipunctatus
• Phalotris nasutus
• Phalotris sansebastiani
• Phalotris shawnella
• Phantasma Tree Snake Imantodes phantasma
• Philippi's Snail-eating Snake Tropidodipsas philippii
• Philippine Cat Snake Boiga philippina venomous
• Philippine Dryocalamus Lycodon philippinus
• Philippine Dryophiops Dryophiops philippina
• Philippine Liopeltine Snake Liopeltis philippina
• Philippines Bronzeback Dendrelaphis philippinensis
• Philothamnus belli
• Philothamnus pobeguini
• Pigmy Snail Sucker Sibon sanniolus
• Pima Leafnose Snake Phyllorhynchus browni
• Pinchinda Snake Emmochliophis fugleri
• Pine Snake Pituophis melanoleucus
• Pine Woods Snake Rhadinaea flavilata
• Pine-Oak Snake Rhadinaea taeniata
• Pirmad Cat Snake Boiga dightoni venomous
• Plainbelly Water Snake Nerodia erythrogaster
• Plains Blackhead Snake Tantilla nigriceps
• Plains Garter Snake Thamnophis radix
• Platyceps atayevi
• Platyceps schmidtleri
• Platyceps tessellata
• Plee's Tropical Racer Mastigodryas pleii
• Plin's Banded Racer Platyceps plinii
• Plumbeous Mussurana Clelia plumbea
• Pointed Ground Snake Atractus punctiventris
• Pointed Snake Uromacer oxyrhynchus
• Pointed Snout Reed Snake Calamaria acutirostris
• Pollackophis depressus
• Pope's Keelback Hebius popei
• Poppyfield Snailsucker Tropidodipsas papavericola
• Posada's Graceful Brown Snake Rhadinella posadasi
• Potosí Centipede Snake Tantilla shawi
• Potosí Earth Snake Geophis latifrontalis
• Prado's Coastal House Snake Thamnodynastes rutilus
• Prairie Kingsnake Lampropeltis calligaster
• Prakke's Reed Snake Calamaria prakkei
• Pratt's Snail-eater Dipsas pratti
• Principe Green Snake Hapsidophrys principis
• Problem Ground Snake Arcanumophis problematicus
• Pryer's Keelback Hebius pryeri
• Psammophis odysseus venomous
• Pseudoboa krait
• Pseudorabdion torquatum
• Psomophis joberti
• Puebla Earth Snake Geophis turbidus
• Pueblan Centipede Snake Tantilla robusta
• Pueblan Graceful Brown Snake Rhadinaea quinquelineata
• Puerto Rican Racer Borikenophis portoricensis
• Puerto Rican Racer (prymnus) Borikenophis prymnus
• Puerto Rican Racer (variegatus) Borikenophis variegatus
• Puerto Rican Racerlet Magliophis stahli
• Puffing Snake Phrynonax poecilonotus
• Pulau Weh Kukri Snake Oligodon praefrontalis
• Purari Groundsnake Stegonotus aplini
• Pyburn's Earth Snake Geophis pyburni
• Pyburn's Tropical Forest Snake Erythrolamprus pyburni
• Pyron's Groundsnake Atractus pyroni
• Pöch's groundsnake Stegonotus poechi
• Qin Emperor Rat Snake Elaphe xiphodonta
• Queen Snake Regina septemvittata
• Racer Coluber constrictor
• Raddi's Lizard-eating Snake Elapomorphus quinquelineatus
• Radiated Ratsnake Coelognathus radiatus
• Rainbow Ground Snake Stegonotus iridis
• Rainbow Snake Farancia erytrogramma
• Rainbow Tree Snake Gonyosoma margaritatum
• Rainforest Cat-eyed Snake Leptodeira frenata
• Ramirez's Hooknose Snake Ficimia ramirezi
• Ravana's Rough-side Snake Aspidura ravanai
• Rebentisch's Reed Snake Calamaria rebentischi
• Rechinger's Dwarf Racer Eirenis rechingeri
• Recluse Wolf Snake Lycodon obvelatus
• Red Bamboo Snake Oreocryptophis porphyraceus
• Red Black-headed Snake Tantilla rubra
• Red Earth Centipede Snake Tantilla schistosa
• Red Earth Snake Geophis russatus
• Red Mountain Keelback Hebius sanguineus
• Red Snake Erythrolamprus ocellatus
• Red Whip Snake (collaris) Platyceps collaris
• Red Whip Snake (rubescens) Dryophiops rubescens
• Red-backed Rat Snake Oocatochus rufodorsatus
• Red-banded Snake Lycodon rufozonatus
• Red-bellied Keelback Rhabdophis conspicillatus venomous
• Red-Bellied Racer Dolichophis schmidti
• Red-black Ground Snake Atractus erythromelas
• Red-eyed Whipsnake Ahaetulla rufusoculara
• Red-headed Forest Racer Dendrophidion rufiterminorum
• Red-headed Glasstail Urotheca fulviceps
• Red-headed Reed Snake Calamaria schlegeli
• Red-headed whip-snake Coluber rubriceps
• Red-lipped Snake Crotaphopeltis hotamboeia
• Red-necked Keelback Rhabdophis subminiatus venomous
• Red-spotted Diadem Snake Spalerosophis arenarius
• Red-Tailed Racer Gonyosoma oxycephalum
• Redback Coffee Snake Ninia sebae
• Redbelly Earth Runner Chersodromus rubriventris
• Redbelly Snake Storeria occipitomaculata
• Reddish Rat Snake (erythrurus) Coelognathus erythrurus
• Reddish Rat Snake (philippinus) Coelognathus philippinus
• Reed-like Kukri Snake Oligodon calamarius
• Reinhardt's Burrowing Snake Apostolepis assimilis
• Rendahl's Wolf Snake Lycodon paucifasciatus
• Resplendent Ground Snake Atractus resplendens
• Resplendent Shovel-nosed Snake Sonora annulata
• Reticulate Ground Snake Atractus reticulatus
• Reticulate groundsnake Stegonotus reticulatus
• Rhade Wolf Snake Lycodon anakradaya
• Rhadinaea nuchalis
• Rhadinella anachoreta
• Rhadinella lisyae
• Rhadinella rogerromani
• Rhadinella tolpanorum
• Rhadinella xerophila
• Rhino Rat Snake Gonyosoma boulengeri
• Rhynchocalamus levitoni
• Ribbon Graceful Brown Snake Rhadinaea fulvivittis
• Ribboned Brittle-Snake Urotheca lateristriga
• Ridgehead Snake Manolepis putnami
• Rim Rock Crowned Snake Tantilla oolitica
• Ringed Centipede Snake Tantilla semicincta
• Ringed Hognose Snake Xenodon semicinctus
• Ringed Keelback Water Snake Trimerodytes annularis
• Ringed Kukri Snake Oligodon annulifer
• Ringed Snail Sucker Sibon annulatus
• Ringneck Coffee Snake Ninia diademata
• Ringneck Snake Diadophis punctatus
• Rio Grande de Santiago Nightsnake Hypsiglena affinis
• Rio Tropical Racer Palusophis bifossatus
• Rio Verde Nightsnake Hypsiglena tanzeri
• River Vine Snake Ahaetulla fronticincta
• Rivero's Ground Snake Atractus riveroi
• Road Guarder Conophis lineatus
• Roatan Long-tailed Snake Enulius roatanensis
• Roatan Vinesnake Oxybelis wilsoni
• Rodriguesophis chui
• Rodriguesophis scriptorcibatus
• Rogers' Racer Platyceps rogersi
• Rondonia Blackhead Apostolepis striata
• Rose Big-tooth Snake Lycodon rosozonatus
• Rosebelly Earth Snake Geophis rhodogaster
• Rosebelly Worm-eating Snake Trachischium guentheri
• Ross' Wolf Snake Lycodon chrysoprateros
• Rossman's Garter Snake Thamnophis rossmani
• Roth's Dwarf Snake Eirenis rothii
• Rough Coffee Snake Nothopsis rugosus
• Rough Earthsnake Haldea striatula
• Rough Greensnake Opheodrys aestivus
• Roule's Ground Snake Atractus roulei
• Royal Ground Snake Erythrolamprus reginae
• Royal snake Spalerosophis atriceps
• Roze's Coastal House Snake Thamnodynastes chimanta
• Rufous-headed Crown Snake Tantilla ruficeps
• Rusty-headed Snake Amastridium sapperi
• Rustyhead Snake Amastridium veliferum
• Rutherford's Brown Vine Snake Oxybelis rutherfordi
• Ruthven's Burrowing Snake Apostolepis tenuis
• Ruthven's Earth Snake Geophis ruthveni
• Ruthvens Kingsnake Lampropeltis ruthveni
• Rwanda Forest Green Snake Philothamnus ruandae
• Ryukyu Green Snake Ptyas semicarinata
• Ryukyu Odd-tooth snake Lycodon semicarinatus
• Ryukyu Wolf Snake Lycodon multifasciatus
• Saba Racer Alsophis rufiventris
• Sabah Keelback Hebius flavifrons
• Sahara Racer Platyceps saharicus
• Sahel Egg Eater Dasypeltis sahelensis
• Sahyadri Vine Snake Ahaetulla sahyadrensis
• Sai Yok Kukri Snake Oligodon saiyok
• Saint Croix Racer Borikenophis sanctaecrucis
• Saint Giron's Kukri Snake Oligodon saintgironsi
• Saint Lucia Racer Erythrolamprus ornatus
• Saint Vincent Racer Chironius vincenti
• Sakishima Green Snake Ptyas herminae
• Sallae's Earth Snake Geophis sallaei
• Salmon-bellied racer Mastigodryas melanolomus
• Salt Marsh Snake Nerodia clarkii
• Salvadora gymnorhachis
• Salvadora paleolineata
• Samarinda Reed Snake Calamaria hilleniusi
• San Andres Snake Coniophanes andresensis
• San Felipe Ground Snake Conopsis megalodon
• San Vincente Island Racer Arrhyton tanyplectum
• Sand dunes Blackhead Apostolepis arenaria
• Sand Snake (straminea) Sonora straminea
• Sang's Reed Snake Calamaria sangi
• Sangzhi Keelback Snake Hebius sangzhiensis
• Santa Catalina Kingsnake Lampropeltis catalinensis
• Santa Cruz Garter Snake Thamnophis atratus
• Santa Cruz Racer Pseudalsophis dorsalis
• Santiago Racer Pseudalsophis hephaestus
• Sao Paulo False Coral Snake Simophis rhinostoma
• Sao Paulo Ground Snake Atractus serranus
• Sao Paulo Keelback Helicops gomesi
• Sao Tome Wood Snake Philothamnus thomensis
• Saphenophis Snake Saphenophis sneiderni
• Sarasin's Keelback Hebius sarasinorum
• Sarasin's Reed Snake Pseudorabdion sarasinorum
• Sarawak Keelback Hebius sarawacensis
• Sarawak Reed Snake Pseudorabdion saravacense
• Sargent's Graceful Brown Snake Rhadinaea sargenti
• Sargi's Earth Snake Adelphicos sargii
• Sarso Island Racer Platyceps insulanus
• Sauvage's Snail-eater Dipsas albifrons
• Savage's Earth Snake Geophis downsi
• Savage's Groundsnake Atractus savagei
• Savage's Sand Snake Sonora savagei
• Savannah Racer Erythrolamprus aenigma
• Sawtooth-necked Bronzeback Dendrelaphis nigroserratus
• Scarce Bridal Snake Lycodon gracilis
• Scarlet Kingsnake Lampropeltis elapsoides
• Scarlet Snake Cemophora coccinea
• Schach's Ground Snake Atractus schach
• Schlegel's Golden Snake Cercophis auratus
• Schmidt's Bold-eyed Tree Snake Thrasops schmidti
• Schmidt's Green Racer Incaspis tachymenoides
• Schmidt's Reed Snake Calamaria schmidti
• Schott's Whipsnake Masticophis schotti
• Schouteden's Sun Snake Helophis schoutedeni
• Schultz' Blunt-headed Tree Snake Boiga schultzei venomous
• Schulz's Reed Snake Macrocalamus schulzi
• Schunk's Snail-eater Dipsas schunkii
• Schätti's Racer Platyceps messanai
• Scortecci Racer Platyceps scortecci
• Scortecci's Diadem Snake Spalerosophis josephscorteccii
• Seale’s Banded Asian Wolf Snake Lycodon sealei
• Semau Island groundsnake Stegonotus lividus
• Semiornate Smooth Snake Meizodon semiornatus
• Senegalese Egg Eater Dasypeltis latericia
• Seram Bronzeback Dendrelaphis grismeri
• Serra do Cariri Snail Eater Dipsas bothropoides
• Serra Snake Tropidodryas serra
• Serrate-banded Wolf Snake Lycodon serratus
• Seychelles Wolf Snake Lycognathophis seychellensis
• Shangri-La Hot Spring Snake Thermophis shangrila
• Sharma's Racer Platyceps bholanathi
• Sharptail Snake Contia tenuis
• Shaw's Dark Ground Snake Erythrolamprus melanotus
• Shenzhen Mountain Stream Snake Opisthotropis shenzhenensis
• Short Ground Snake Erythrolamprus breviceps
• Short Racer Platyceps brevis
• Short-nosed Groundsnake Taeniophallus brevirostris
• Short-snouted Tree Snake Dipsadoboa brevirostris
• Short-tail Alpine Garter Snake Thamnophis scaliger
• Short-tailed Snake Lampropeltis extenuata
• Shorthead Garter Snake Thamnophis brachystoma
• Shorthead Kukri Snake Oligodon brevicauda
• Shreve's Keelback Helicops pastazae
• Shreve's Tree Snake Dipsadoboa shrevei
• Shropshire's Puffing Snake Phrynonax shropshirei
• Sibon manzanaresi
• Sibon merendonensis
• Sibon miskitus
• Sibon noalamina
• Sibon perissostichon
• Sichuan Hot-Spring Keelback Thermophis zhaoermii
• Sichuan Mountain Keelback Opisthotropis latouchii
• Sichuan Wolf Snake Lycodon liuchengchaoi
• Siebold's Earth Snake Geophis sieboldi
• Sierra Coalcoman Earth Snake Geophis incomptus
• Sierra Juarez Earth Snake Geophis duellmani
• Sierra Mije Earth Snake Geophis anocularis
• Sikkim Keelback Herpetoreas sieboldii
• Simla Coffeesnake Ninia franciscoi
• Simon's Racer Incaspis simonsii
• Sinai catsnake Telescopus hoogstraali
• Sinai dwarf racer Eirenis coronelloides
• Sinai Racer Platyceps sinai
• Sinaloan lyresnake Trimorphodon paucimaculatus
• Sindh Awl-headed Snake Lytorhynchus paradoxus
• Sindh Racer Platyceps sindhensis
• Singalang Keelback Rhabdophis akraios venomous
• Sinharaja tree snake Dendrelaphis effrenis
• Sipo (carinatus) Chironius carinatus
• Sipo (flavopictus) Chironius flavopictus
• Sirambé dwarf reed snake Pseudorabdion sirambense
• Sivaophis downsi
• Slatey-grey Snake (cucullatus) Stegonotus cucullatus
• Slatey-grey Snake (parvus) Stegonotus parvus
• Slaty-grey snake Stegonotus australis
• Slavens' Centipede Snake Tantilla slavensi
• Slender Forest-Racer Dendrophidion graciliverpa
• Slender Green Snake Philothamnus heterolepidotus
• Slender Racer Orientocoluber spinalis
• Slender Reed Snake Calamaria gracillima
• Slender Snail Sucker Sibon dimidiatus
• Slender Snake Tachymenis tarmensis venomous
• Slevin's Tropical Ground Snake Trimetopon slevini
• Slowinski's Cornsnake Pantherophis slowinskii
• Smith's African Water Snake Grayia smithii
• Smith's Black-headed Snake Tantilla hobartsmithi
• Smith's Mountain Keelback Opisthotropis spenceri
• Smooth Earth Snake Virginia valeriae
• Smooth Snake Coronella austriaca
• Smooth-scaled Mountain Rat Snake Ptyas luzonensis
• Snail-eating Thirst Snake Dipsas brevifacies
• Snake-Eater Wolf Snake Lycodon ophiophagus
• Socotran Racer Hemerophis socotrae
• Somali Snake Aeluroglena cucullata
• Sonoran Lyre Snake Trimorphodon lambda
• Sonoran Mountain Kingsnake Lampropeltis pyromelana
• Sonoran Shovelnose Snake Sonora palarostris
• Sonoran Whipsnake Masticophis bilineatus
• Soosan Viper Telescopus tessellatus
• South American Forest Racer Dendrophidion percarinatum
• South American Hognose Snake Xenodon dorbignyi
• South American Pond Snake (plicatilis) Pseudoeryx plicatilis
• South American Pond Snake (relictualis) Pseudoeryx relictualis
• South American Sipo (foveatus) Chironius foveatus
• South American Sipo (multiventris) Chironius multiventris
• South American Sipo (septentrionalis) Chironius septentrionalis
• South Florida Mole Kingsnake Lampropeltis occipitolineata
• Southeast Brazilian Sipo Chironius brazili
• Southeastern Crowned Snake Tantilla coronata
• Southeastern Scarlet Snake Pseudoboa serrana
• Southern Bronzeback Dendrelaphis grandoculis
• Southern Brown Egg Eater Dasypeltis inornata
• Southern Durango Spotted Garter Snake Thamnophis nigronuchalis
• Southern Ground Snake Atractus trihedrurus
• Southern Hognose Snake Heterodon simus
• Southern Red-banded Snake Lycodon meridionale
• Southern Reticulated Collared Snake Phalotris reticulatus
• Southern Sharpnose Snake Xenoxybelis boulengeri
• Southern Smooth Snake Coronella girondica
• Southern Striped Snake Lygophis meridionalis
• Southern Water Snake Nerodia fasciata
• Southwestern Cat-eyed Snake Leptodeira maculata
• Southwestern Forest Marsh Snake Natriciteres bipostocularis
• Spatula-tooth Snake Iguanognathus werneri
• Specklebelly Keelback Rhabdophis chrysargos venomous
• Speckled Dwarf Short-tail Snake Tantillita brevissima
• Speckled Ground Snake Atractus ventrimaculatus
• Speckled Racer Drymobius margaritiferus
• Sphalerosophis microlepis
• Spiral Keelback Helicops petersi
• Spirit Ground Snake Psomophis genimaculatus
• Spix's Sipo Chironius spixii
• Splendid Cat-eyed Snake Leptodeira splendida
• Splendid Kukri Snake Oligodon splendidus
• Spotted Bush Snake Philothamnus semivariegatus
• Spotted Coffee Snake Ninia maculata
• Spotted Dagger-tooth Tree Snake Rhamnophis batesii
• Spotted Desert Racer Platyceps karelini
• Spotted Genuine-Snake Saphenophis boursieri
• Spotted Green Snake Philothamnus punctatus
• Spotted Ground Snake Atractus maculatus
• Spotted Keelback Xenochrophis maculatus
• Spotted Keelback Water Snake Fowlea punctulatus
• Spotted Kukri Snake Oligodon maculatus
• Spotted Leafnose Snake Phyllorhynchus decurtatus
• Spotted Mountain Stream Snake Opisthotropis maculosa
• Spotted Water Snake Tropidonophis dendrophiops
• Spotted Whip Snake Hemorrhois ravergieri
• Spotted Whipsnake Ahaetulla fasciolata
• Sri Lanka Cat Snake Boiga ceylonensis venomous
• Sri Lanka Rough-sided Snake Aspidura deraniyagalae
• Sri Lankan Bridle Snake Lycodon chithrasekarai
• St. John's Keelback Fowlea sanctijohannis
• St. Marta's Ground Snake Atractus sanctaemartae
• Stadelman's Pine Woods Snake Rhadinella stadelmani
• Steinbach's Snake Baliodryas steinbachi
• Stejneger's Bamboo Snake Pseudoxenodon stejnegeri
• Stejneger's Snail Sucker Sibon longifrenis
• Stolickza's Ringneck Liopeltis stoliczkae
• Stoliczk's Tawny Cat Snake Boiga stoliczkae venomous
• Striped Centipede Snake Tantilla striata
• Striped Crayfish Snake Liodytes alleni
• Striped Dwarf Snake Eirenis lineomaculatus
• Striped Galapagos Snake Pseudalsophis steindachneri
• Striped glasstail Urotheca guentheri
• Striped Ground Snake Atractus vertebrolineatus
• Striped Keelback Xenochrophis vittatus
• Striped Kukri Snake Oligodon taeniatus
• Striped Litter Snake Rhadinella serperaster
• Striped Lizard Eater Mastigodryas dorsalis
• Striped Lowland Snake Leptodrymus pulcherrimus
• Striped Racer Masticophis lateralis
• Striped Ringneck Gongylosoma baliodeira
• Striped Road Guarder Conophis vittatus
• Striped Swamp Snake Tretanorhinus taeniatus
• Striped Vine Snake Oxybelis vittatus
• Striped Whipsnake Masticophis taeniatus
• Striped Wood Snake Philothamnus dorsalis
• Striped- belly reed snake Calamaria strigiventris
• Stripeless Snake Coniophanes lateritius
• Stuart's Burrowing Snake Adelphicos veraepacis
• Stuart's Graceful Brown Snake Rhadinella pilonaorum
• Sulawesi Black Racer Ptyas dipsas
• Sulawesi Iridescent Snake Calamorhabdium acuticeps
• Sulawesi Keelback Hebius celebicus
• Sulawesi Wolf Snake Lycodon stormi
• Sulu Bronzeback Dendrelaphis flavescens
• Sulu Short-headed Snake Oligodon meyerinkii
• Sumatra Dwarf Snake Calamaria sumatrana
• Sumatra Etheridge Snake Etheridgeum pulchrum
• Sumatran Dark-gray Ground Snake Elapoidis sumatrana
• Sumatran Keelback Anoplohydrus aemulans
• Sumatran Stream Snake Opisthotropis rugosa
• Sumba Ground Snake Stegonotus sutteri
• Sumichrast's Garter Snake Thamnophis sumichrasti
• Sunda Rat Snake Coelognathus subradiatus
• Surat Thani Kukri Snake Oligodon promsombuti
• Sushanta’s Worm-eating Snake Trachischium sushantai
• Swamp Keelback Helicops nentur
• Swamp Liophis Erythrolamprus frenatus
• Swan Island Racer Cubophis brooksi
• Szechwan Rat Snake Euprepiophis perlaceus
• São Paulo Reticulated Collared Snake Phalotris mertensi
• São Salvador burrow-snake Apostolepis adhara
• Taeniophallus affinis
• Taeniophallus bilineatus
• Taeniophallus nebularis
• Taeniophallus nicagus
• Taeniophallus occipitalis
• Taeniophallus persimilis
• Taeniophallus poecilopogon
• Taeniophallus quadriocellatus
• Taiwan Keelback Rhabdophis swinhonis venomous
• Taiwan Stink Snake Elaphe carinata
• Talamanca Forest Racer Dendrophidion crybelum
• Talamanca Glasstail Snake Urotheca myersi
• Talamancan Earth Snake Geophis talamancae
• Tam Dao Stream Snake Opisthotropis tamdaoensis
• Tamaulipan Montane Garter Snake Thamnophis mendax
• Tan Ground Snake Erythrolamprus perfuscus
• Tana Delta Smooth Snake Meizodon krameri
• Tana Herald Snake Crotaphopeltis braestrupi
• Tanahjampea Cat Snake Boiga tanahjampeana venomous
• Tantilla armillata
• Tantilla boipiranga
• Tantilla excelsa
• Tantilla gottei
• Tantilla psittaca
• Tantilla stenigrammi
• Tantilla tjiasmantoi
• Tapajós Keelback Helicops tapajonicus
• Tarascan Earth Snake Geophis tarascae
• Taron Keelback Hebius taronensis
• Tawny Cat Snake (ochracea) Boiga ochracea venomous
• Taylor's Burrowing Snake Pseudorabdion taylori
• Taylor's Egg-eater Dasypeltis taylori
• Taylor's Racer Platyceps taylori
• Taylor's Snaileater Dipsas tenuissima
• Taylor’s Ground Snake Sonora taylori
• Tearful Pine-Oak Snake Rhadinella lachrymans
• Tehuantepec Hooknose Snake Ficimia variegata
• Tehuantepec Striped Snake Geagras redimitus
• Temporal Snail-eater Dipsas temporalis
• Tengchong Keelback Snake Hebius septemlineatus
• Tepalcatepec Valley Gartersnake Thamnophis postremus
• Terre-de-Bas Racer Alsophis danforthi
• Terre-de-Haut Racer Alsophis sanctonum
• Terrestrial Snail Sucker Tropidodipsas sartorii
• Terrific Bronzeback Dendrelaphis terrificus
• Texas Lyre Snake Trimorphodon vilkinsonii
• Texas Patchnose Snake Salvadora lineata
• Texas Scarlet Snake Cemophora lineri
• Texiguat Centipede Snake Tantilla olympia
• Teynié’s Kukri Snake Oligodon teyniei
• Thackeray's cat snake Boiga thackerayi venomous
• Thales De Lema's Tellurian Snake Atractus thalesdelemai
• Thamnodynastes almae
• Thamnodynastes ceibae
• Thamnodynastes chaquensis
• Thamnodynastes corocoroensis
• Thamnodynastes dixoni
• Thamnodynastes duida
• Thamnodynastes gambotensis
• Thamnodynastes hypoconia
• Thamnodynastes lanei
• Thamnodynastes longicauda
• Thamnodynastes marahuaquensis
• Thamnodynastes nattereri
• Thamnodynastes paraguanae
• Thamnodynastes phoenix
• Thamnodynastes ramonriveroi
• Thamnodynastes sertanejo
• Thamnodynastes silvai
• Thamnodynastes yavi
• Thanh's Reed Snake Calamaria thanhi
• Theobald's Kukri Snake Oligodon theobaldi
• Thick Graceful Brown Snake Rhadinaea calligaster
• Thick Reed Snake Calamaria crassa
• Thickhead Ground Snake Atractus crassicaudatus
• Thin Ground Snake Erythrolamprus taeniurus
• Thirteen-scaled Green Snake Philothamnus carinatus
• Tholloni's African Water Snake Grayia tholloni
• Thomas' Racer Pseudalsophis thomasi
• Thomas' Semi-banded Racer Platyceps thomasi
• Thornscrub Vine Snake Oxybelis microphthalmus
• Thrasops aethiopissa
• Three-Banded Bridled Snake Lycodon tristrigatus
• Three-banded Centipede Snake Tantilla tritaeniata
• Three-banded Ground Snake Atractus trivittatus
• Three-lined Centipede Snake (trilineata) Tantilla trilineata
• Three-lined Centipede Snake (triseriata) Tantilla triseriata
• Three-lined Ground Snake Atractus trilineatus
• Three-lined Kukri Snake Oligodon trilineatus
• Three-scaled Ground Snake Erythrolamprus triscalis
• Three-striped Smooth Ground Snake Saphenophis tristriatus
• Tiburon Hognosed Racer Hypsirhynchus scalaris
• Tiger Cat Snake Telescopus semiannulatus
• Tiger Keelback Rhabdophis tigrinus venomous
• Tillack's Kukri Snake Oligodon tillacki
• Timor Ground Snake Stegonotus nancuro
• Tioman Kukri Snake Oligodon booliati
• Tioman Reed Snake Calamaria ingeri
• Tiwar's Bronzeback Dendrelaphis humayuni
• Tobago Stream Snake Erythrolamprus pseudoreginae
• Tocantins Blackhead Apostolepis sanctaeritae
• Tolaki Kukri Oligodon tolaki
• Tomodon orestes
• Tonkin Keelback Hebius atemporalis
• Tonkin Mountain Keelback Opisthotropis lateralis
• Tornier's Cat Snake Crotaphopeltis tornieri
• Trans-pecos Ratsnake Bogertophis subocularis
• Transcaucasian Rat Snake Zamenis hohenackeri
• Travancore Kukri Snake Oligodon travancoricus
• Travancore Whipsnake Ahaetulla travancorica
• Travancore Wolf Snake Lycodon travancoricus
• Triangle Keelback Xenochrophis trianguligerus
• Triangle Many-tooth Snake Sibynophis triangularis
• Triangle Water Snake Hydrops triangularis
• Tricolor Snailsucker Tropidodipsas tricolor
• Tricolored Burrowing Snake Phalotris tricolor
• Trigonocephalus cenchris
• Trigonocephalus lancifer
• Trinidad Snail-eater Dipsas trinitatis
• Trinket Snake Coelognathus helena
• Tropical Flat Snake Siphlophis compressus
• Tropical Forest Snake Calamodontophis paucidens
• Tropical Snail-eater Dipsas sanctijoannis
• Tropidodipsas repleta
• Tropidonophis dolasii
• Tropidonophis halmahericus
• Troschel's Pampas Snake Phimophis guianensis
• Truong’s wolf snake Lycodon truongi
• Tschudi's False Coral Snake Oxyrhopus melanogenys
• Tweedie's Reed Snake Macrocalamus tweediei
• Twin-barred Tree Snake Chrysopelea pelias
• Twin-spotted Tolucan Ground Snake Conopsis amphisticha
• Twin-spotted Wolf Snake Lycodon jara
• Two-colored Mussurana Mussurana bicolor
• Two-colored Snail-eater Dipsas bicolor
• Two-headed Sipo Chironius bicarinatus
• Two-lined Ground Snake Atractus biseriatus
• Two-lined Mexican Earth Snake Conopsis biserialis
• Two-spotted Snake Coniophanes bipunctatus
• Two-striped Garter Snake Thamnophis hammondii
• Typhon Ground Snake Atractus typhon
• Ulmer's Reed Snake Calamaria ulmeri
• Underwood's Bronzeback Snake Dendrelaphis underwoodi
• Underwood's Mussurana Clelia errabunda
• Underwood's Tree Snake Dipsadoboa underwoodi
• Unicolor Kukri Snake Oligodon unicolor
• Urartian Rat Snake Elaphe urartica
• Uribe's False Cat-eyed Snake Leptodeira uribei
• Urotheca dumerilli
• Urotheca multilineata
• Uruguayan Sipo Chironius gouveai
• Usambara Green Snake Philothamnus macrops
• Usambara Vine Snake Thelotornis usambaricus venomous
• Van Dwarf Racer Eirenis thospitis
• Vanzolini's Ground Snake Lygophis vanzolinii
• Variable Cat Snake Telescopus variegatus
• Variable Marsh Snake (pembana) Natriciteres pembana
• Variable Marsh Snake (variegata) Natriciteres variegata
• Variable Reed Snake Calamaria lumbricoidea
• Variable Snake Platyceps variabilis
• Variegated False Coral Snake Pliocercus elapoides
• Variegated Ground Snake Atractus variegatus
• Variegated Snail-eater Dipsas variegata
• Velasco Blackhead Apostolepis phillipsae
• Vellore Bridal Snake Lycodon nympha
• Velvet Swampsnake Erythrolamprus typhlus
• Velvety Swamp Snake Erythrolamprus torrenicola
• Venezuela Ground Snake Atractus duidensis
• Venezuela Snail-eater Dipsas latifrontalis
• Venezuelan Snail-eater Dipsas praeornata
• Veracruz Earth Snake Geophis chalybeus
• Veracruz Graceful Brown Snake Rhadinaea cuneata
• Vermiculate Graceful Brown Snake Rhadinaea vermiculaticeps
• Vermiculate Snail-eater Dipsas vermiculata
• Vertebral Ground Snake Atractus vertebralis
• Vertebral Kukri Snake Oligodon vertebralis
• Vieira's Snail-eating Snake Sibon vieirai
• Vietnam Water Snake Hebius chapaensis
• Vietnamese Large-toothed Snake Lycodon meridionalis
• Viper-like Keelback Hebius viperinus
• Viperine Snake Natrix maura
• Viquez's Tropical Ground Snake Trimetopon viquezi
• Vo Quy’s Mountain Stream Keelback Opisthotropis voquyi
• Vogel's Bronzeback Dendrelaphis vogeli
• Vogel's Reed Snake Macrocalamus vogeli
• Volcan Tacana Centipede Snake Tantilla tayrae
• Vud's Bahamian Racer Cubophis vudii
• Vulcan Centipede Snake Tantilla vulcani
• Wa Shan Keelback Hebius metusia
• Wadi Racer Platyceps rhodorachis
• Wagler's Ground Snake Atractus wagleri
• Wagler's Sipo Chironius scurrulus
• Wagler's Snake Xenodon merremii
• Wagner's Kukri Snake Oligodon wagneri
• Walker's Slender Snake Tachymenis attenuata venomous
• Wall's Bronzeback Dendrelaphis cyanochloris
• Wall's Cat Snake Boiga walli venomous
• Wall's Keelback Herpetoreas xenura
• Wall's Vine Snake Ahaetulla isabellina
• Wallace's Racer Wallaceophis gujaratensis
• Walnut Kukri Snake Oligodon juglandifer
• Water Rhabdops Rhabdops aquaticus
• Webb's Kingsnake Lampropeltis webbi
• Weiler's Tree Snake Dipsadoboa weileri
• Weixi Keelback Snake Hebius weixiensis
• Welborn’s Snail-eating Snake Dipsas welborni
• Werner's Diadem Snake Spalerosophis dolichospilus
• Werner's False Coral Snake Oxyrhopus leucomelas
• Werner's Green Tree Snake Dipsadoboa werneri
• Werner's Ground Snake Atractus werneri
• Werner's Thirst Snake Dipsas maxillaris
• West Coast Garter Snake Thamnophis validus
• Western Aquatic Garter Snake Thamnophis couchii
• Western Blackhead Snake Tantilla planiceps
• Western Cat-eyed Snake Leptodeira punctata
• Western Crowned Snake Meizodon coronatus
• Western Dwarf Racer Eirenis occidentalis
• Western False Smooth Snake Macroprotodon brevis
• Western Foxsnake Pantherophis ramspotti
• Western Ghats Bronzeback Ahaetulla perroteti
• Western Graceful Brown Snake Rhadinaea hesperia
• Western Green Snake Philothamnus angolensis
• Western Ground Snake Atractus occidentalis
• Western Hooknose Snake Gyalopion canum
• Western Natal Green Snake Philothamnus occidentalis
• Western Patchnose Snake Salvadora hexalepis
• Western Ribbonsnake Thamnophis proximus
• Western Shovelnose Snake Sonora occipitalis
• Western Snail-eating Snake Tropidodipsas annulifera
• Western Terrestrial Garter Snake Thamnophis elegans
• Western Tree Snake Imantodes inornatus
• Western Whip Snake Hierophis viridiflavus
• Western Worm Snake Carphophis vermis
• White-banded Wolf Snake Lycodon septentrionalis
• White-bellied Rat Snake Ptyas fusca
• White-bellied Reed Snake Calamaria albiventer
• White-collared Reed Snake Pseudorabdion albonuchalis
• White-eyed Keelback Amphiesmoides ornaticeps
• White-lined Water Snake Rhabdophis auriculatus venomous
• White-lipped Keelback Hebius leucomystax
• White-striped Centipede Snake Tantilla tecta
• White-striped Reed Snake Calamaria lateralis
• White-striped Snake Sibynophis bivittatus
• Wickramasinghes Bronzeback Dendrelaphis wickrorum
• Wide Ground Snake Psomophis obtusus
• Widecollar Earth Snake Geophis laticollaris
• Wied's Keelback Helicops carinicaudus
• Williams' Ground Snake Erythrolamprus williamsi
• Williams' Tree Snake Dipsas williamsi
• Woodmason's Kukri Snake Oligodon woodmasoni
• Worontzow's Spotted Night Snake Siphlophis worontzowi
• Wucherer's Ground Snake Xenopholis scalaris
• Wucherer's Lizard-eating Snake Elapomorphus wuchereri
• Wynad Keelback Hebius monticola
• Xenopholis werdingorum
• Xizang Hot-spring Keel-back Thermophis baileyi
• Yabassi Tree Snake Dipsadoboa duchesnii
• Yaeyama Keelback Hebius ishigakiensis
• Yanbian Keelback Snake Hebius yanbianensis
• Yaqui Black-headed Snake Tantilla yaquia
• Yellow striped Snake Coelognathus flavolineatus
• Yellow-bellied Reed Snake Calamaria suluensis
• Yellow-bellied Snake Erythrolamprus poecilogyrus
• Yellow-collared Wolf Snake Lycodon flavicollis
• Yellow-flanked Snake Crotaphopeltis degeni
• Yellow-green Cat Snake Boiga flaviviridis venomous
• Yellow-headed Sipo Chironius leucometapus
• Yellow-lined Centipede Snake Tantilla flavilineata
• Yellow-red Rat Snake Pseudelaphe flavirufa
• Yellow-spotted Ground Snake Atractus duboisi
• Yellow-spotted Keelback Water Snake Fowlea flavipunctatus
• Yellow-spotted Wolf Snake Lycodon flavomaculatus
• Yellow-throated Bold-eyed Tree Snake Thrasops flavigularis
• Yellow-throated gartersnake Thamnophis pulchrilatus
• Yellowbelly Snake Coniophanes fissidens
• Yellowbelly Worm-eating Snake Trachischium tenuiceps
• Youjiang Keelback Snake Hebius youjiangensis
• Yucatan Rat Snake Pseudelaphe phaescens
• Yucatecan Dwarf Short-tail Snake Tantillita canula
• Yucatán Blunthead Snake Imantodes tenuissimus
• Yucatán White-lipped Snake Symphimus mayae
• Yunnan Annulate Keelback Trimerodytes yunnanensis
• Yunnan keelback Hebius clerki
• Yunnan Keelback Hebius parallelum
• Yunnan Olive Keelback Fowlea yunnanensis
• Yunnan Reed Snake Calamaria yunnanensis
• Zaher's Shadow Snake Synophis zaheri
• Zamboanga Burrowing Snake Pseudorabdion ater
• Zamenis hungaricus
• Zamoran Shadow Snake Synophis zamora
• Zaocys dhumnades
• Zapata Long-tailed Groundsnake Arrhyton procerum
• Zaw's Wolf Snake Lycodon zawi
• Zayu Wolf Snake Lycodon zayuensis
• Zebra Snake Spalerosophis microlepis
• Zelceophis xenos
• Zertuche's Earth Snake Geophis juliai
• ZGAP Ground Snake Atractus zgap
• Zhao's Mountain Stream Snake Opisthotropis zhaoermii
• Zidok's Ground Snake Atractus zidoki
• Zigzag-lined Water Snake Rhabdophis lineatus venomous
• Zilantophis schuberti
• Zoige Ratsnake Elaphe zoigeensis
• Zoos Victoria's Wolf Snake Lycodon zoosvictoriae
• Zweifel's Ground Snake Erythrolamprus zweifeli
• Zweifel's Snail-eating Snake Tropidodipsas zweifeli
• 张氏后棱蛇 Opisthotropis hungtai