Snakes of United States
193 snake species are recorded in United States - 32 venomous and 161 non-venomous, from 6 families.
- California Kingsnake Lampropeltis californiae
- Common Gartersnake Thamnophis sirtalis
- Copperhead Agkistrodon contortrix venomous
- Corn Snake Pantherophis guttatus
- Cottonmouth Agkistrodon piscivorus venomous
- Diamondback Water Snake Nerodia rhombifer
- Eastern Coral Snake Micrurus fulvius venomous
- Eastern Diamondback Rattlesnake Crotalus adamanteus venomous
- Massasauga Sistrurus catenatus venomous
- Milk Snake Lampropeltis triangulum
- Mojave Rattlesnake Crotalus scutulatus venomous
- Prairie Rattlesnake Crotalus viridis venomous
- Rosy Boa Lichanura trivirgata
- Sidewinder Crotalus cerastes venomous
- Smooth Green Snake Opheodrys vernalis
- Speckled Kingsnake Lampropeltis holbrooki
- Timber Rattlesnake Crotalus horridus venomous
- Western Diamond-backed Rattlesnake Crotalus atrox venomous
- Western Hognose Snake Heterodon nasicus
- Yellow-bellied Sea Snake Hydrophis platurus venomous
- Ameiseophis robinsoni
- Anilioides nebraskensis
- Antilles Racer Alsophis antillensis
- Arizona Black Rattlesnake Crotalus cerberus venomous
- Atlantic Central American Milksnake Lampropeltis polyzona
- Baird's Rat Snake Pantherophis bairdi
- Baja California Coachwhip Masticophis fuliginosus
- Baja California Lyre Snake Trimorphodon lyrophanes
- Baja California Rat Snake Bogertophis rosaliae
- Banded Sand Snake (cincta) Sonora cincta
- Big Bend Blackhead Snake Tantilla cucullata
- Big Bend Patchnose Snake Salvadora deserticola
- Black Kingsnake Lampropeltis nigra
- Black Rat Snake Pantherophis obsoletus
- Black Swampsnake Liodytes pygaea
- Black-striped Snake (imperialis) Coniophanes imperialis
- Black-tailed Rattlesnake Crotalus molossus venomous
- Blackneck Garter Snake Thamnophis cyrtopsis
- Brahminy Blindsnake Indotyphlops braminus
- Brazos Water Snake Nerodia harteri
- Broad-banded Copperhead Agkistrodon laticinctus venomous
- Brown Snake Storeria dekayi
- Brown Vinesnake Oxybelis aeneus
- Brown Water Snake (taxispilota) Nerodia taxispilota
- Bullsnake Pituophis catenifer
- Butler's Garter Snake Thamnophis butleri
- California Mountain Kingsnake Lampropeltis zonata
- Cat-eyed Snake (septentrionalis) Leptodeira septentrionalis
- Central American Indigo Snake Drymarchon melanurus
- Central Plains Milksnake Lampropeltis gentilis
- Checkered Garter Snake Thamnophis marcianus
- Chihuahuan Blackhead Snake Tantilla wilcoxi
- Chihuahuan Nightsnake Hypsiglena jani
- Coachwhip Masticophis flagellum
- Coast Nightsnake Hypsiglena ochrorhynchus
- Common Kingsnake Lampropeltis getula
- Common Watersnake Nerodia sipedon
- Common Wormsnake Carphophis amoenus
- Concho Water Snake Nerodia paucimaculata
- Costal Lyre Snake Trimorphodon biscutatus
- Crayfish Snake Liodytes rigida
- Cuban Boa Chilabothrus angulifer
- Desert Hooknose Snake Gyalopion quadrangulare
- Desert Kingsnake Lampropeltis splendida
- Desert Nightsnake Hypsiglena chlorophaea
- Diadophis elinorae
- Dinodon horridus
- Eastern Black-tailed Rattlesnake Crotalus ornatus venomous
- Eastern Fox Snake Pantherophis vulpinus
- Eastern Hognose Snake Heterodon platirhinos
- Eastern Indigo Snake Drymarchon couperi
- Eastern Rat Snake Pantherophis alleghaniensis
- Eastern Ribbonsnake Thamnophis saurita
- Elaphe nebraskensis
- Flathead Snake Tantilla gracilis
- Florida Brown Snake Storeria victa
- Florida Cottonmouth Agkistrodon conanti venomous
- Florida Crowned Snake Tantilla relicta
- Florida Green Watersnake Nerodia floridana
- Forest Sharp-tailed Snake Contia longicauda
- Giant Garter Snake Thamnophis gigas
- Glossy Snake Arizona elegans
- Graham's Crayfish Snake Regina grahamii
- Great Basin Rattlesnake Crotalus lutosus venomous
- Great Plains Rat Snake Pantherophis emoryi
- Green Rat Snake (triaspis) Senticolis triaspis
- Ground Snake (exiguus) Magliophis exiguus
- Ground Snake (semiannulata) Sonora semiannulata
- Heterodon plionasicus
- Kirtland's Snake Clonophis kirtlandii
- Lampropeltis similis
- Lined Ground Snake Lygophis lineatus
- Lined Snake Tropidoclonion lineatum
- Longnose Snake Rhinocheilus lecontei
- Louisiana Pine Snake Pituophis ruthveni
- Mexican Black-headed Snake Tantilla atriceps
- Mexican Garter Snake Thamnophis eques
- Mexican Hog-nose Snake Heterodon kennerlyi
- Mexican Hook-nosed Snake Ficimia olivacea
- Mexican Hooknose Snake Ficimia streckeri
- Midget Faded Rattlesnake Crotalus concolor venomous
- Mississippi Green Water Snake Nerodia cyclopion
- miter snake Sonora episcopa
- Mole snake Lampropeltis rhombomaculata
- Mona Blindsnake Antillotyphlops monensis
- Mountain Patchnose Snake Salvadora grahamiae
- Mud Snake (abacura) Farancia abacura
- Narrowhead Watersnake Thamnophis rufipunctatus
- Natrix hillmani
- Night Snake Hypsiglena torquata
- Northern Rubber Boa Charina bottae
- Northern Three-lined Boa Lichanura orcutti
- Northwestern Garter Snake Thamnophis ordinoides
- Paleoheterodon tiheni
- Panamint Rattlesnake Crotalus stephensi venomous
- Pima Leafnose Snake Phyllorhynchus browni
- Pine Snake Pituophis melanoleucus
- Pine Woods Snake Rhadinaea flavilata
- Plainbelly Water Snake Nerodia erythrogaster
- Plains Blackhead Snake Tantilla nigriceps
- Plains Garter Snake Thamnophis radix
- Prairie Kingsnake Lampropeltis calligaster
- Puerto Rican Racer Borikenophis portoricensis
- Pygmy Rattlesnake Sistrurus miliarius venomous
- Queen Snake Regina septemvittata
- Racer Coluber constrictor
- Rainbow Snake Farancia erytrogramma
- Red Black-headed Snake Tantilla rubra
- Red Diamond Rattlesnake Crotalus ruber venomous
- Redbelly Snake Storeria occipitomaculata
- Resplendent Shovel-nosed Snake Sonora annulata
- Ridge-nosed Rattlesnake Crotalus willardi venomous
- Rim Rock Crowned Snake Tantilla oolitica
- Ringneck Snake Diadophis punctatus
- Rock Rattlesnake Crotalus lepidus venomous
- Rough Earthsnake Haldea striatula
- Rough Greensnake Opheodrys aestivus
- Salt Marsh Snake Nerodia clarkii
- Sand Snake (straminea) Sonora straminea
- Santa Cruz Garter Snake Thamnophis atratus
- Scarlet Kingsnake Lampropeltis elapsoides
- Scarlet Snake Cemophora coccinea
- Schott's Whipsnake Masticophis schotti
- Sharptail Snake Contia tenuis
- Short-tailed Snake Lampropeltis extenuata
- Shorthead Garter Snake Thamnophis brachystoma
- Slowinski's Cornsnake Pantherophis slowinskii
- Smith's Black-headed Snake Tantilla hobartsmithi
- Smooth Earth Snake Virginia valeriae
- Sonoran Coralsnake Micruroides euryxanthus venomous
- Sonoran Lyre Snake Trimorphodon lambda
- Sonoran Mountain Kingsnake Lampropeltis pyromelana
- Sonoran Shovelnose Snake Sonora palarostris
- Sonoran Whipsnake Masticophis bilineatus
- South Florida Mole Kingsnake Lampropeltis occipitolineata
- Southeastern Crowned Snake Tantilla coronata
- Southern Hognose Snake Heterodon simus
- Southern Pacific Rattlesnake Crotalus helleri venomous
- Southern Rubber Boa Charina umbratica
- Southern Water Snake Nerodia fasciata
- Southwestern Speckled Rattlesnake Crotalus pyrrhus venomous
- Speckled Racer Drymobius margaritiferus
- Speckled Rattlesnake Crotalus mitchellii venomous
- Spotted Leafnose Snake Phyllorhynchus decurtatus
- Striped Crayfish Snake Liodytes alleni
- Striped Racer Masticophis lateralis
- Striped Whipsnake Masticophis taeniatus
- Taylor’s Ground Snake Sonora taylori
- Texas Blind Snake Rena dulcis
- Texas Coral Snake Micrurus tener venomous
- Texas Lyre Snake Trimorphodon vilkinsonii
- Texas Patchnose Snake Salvadora lineata
- Texas Scarlet Snake Cemophora lineri
- Thornscrub Vine Snake Oxybelis microphthalmus
- Tiger Rattlesnake Crotalus tigris venomous
- Totlandophis americanus
- Trans-pecos Ratsnake Bogertophis subocularis
- Trans-Pecos Threadsnake Rena segrega
- Twin-spotted Rattlesnake Crotalus pricei venomous
- Two-striped Garter Snake Thamnophis hammondii
- Western Aquatic Garter Snake Thamnophis couchii
- Western Blackhead Snake Tantilla planiceps
- Western Foxsnake Pantherophis ramspotti
- Western Hooknose Snake Gyalopion canum
- Western Massasauga Sistrurus tergeminus venomous
- Western Patchnose Snake Salvadora hexalepis
- Western Rattlesnake Crotalus oreganus venomous
- Western Ribbonsnake Thamnophis proximus
- Western Shovelnose Snake Sonora occipitalis
- Western Terrestrial Garter Snake Thamnophis elegans
- Western Threadsnake Rena humilis
- Western Worm Snake Carphophis vermis
- Yaqui Black-headed Snake Tantilla yaquia