Snakes of Costa Rica
145 snake species are recorded in Costa Rica - 24 venomous and 121 non-venomous, from 8 families.
- Adorned Graceful Brown Snake Rhadinaea decorata
- Allen's Coral Snake Micrurus alleni venomous
- American Snail-eater Dipsas articulata
- Argus Snail Sucker Sibon argus
- Banded Cat-eyed Snake (annulata) Leptodeira annulata
- Banded Centipede Snake Tantilla supracincta
- Barbour's Tropical Ground Snake Trimetopon barbouri
- Barred Forest Racer Dendrophidion vinitor
- Black Blind Snake (ater) Epictia ater
- Black Forest Racer Drymobius melanotropis
- Black Milksnake Lampropeltis micropholis
- Black-banded Cat-eyed Snake Leptodeira nigrofasciata
- Black-banded Snake Scolecophis atrocinctus
- Black-headed Bushmaster Lachesis melanocephala venomous
- Black-headed Snake (melanocephala) Tantilla melanocephala
- Black-speckled Palm Pit Viper Bothriechis nigroviridis venomous
- Blood Snake Stenorrhina freminvillei
- Blotched Palm-Pitviper Bothriechis supraciliaris venomous
- Boulenger's Centipede Snake Tantilla alticola
- Brown Rainbow Boa Epicrates maurus
- Brown Vinesnake Oxybelis aeneus
- Cat-eyed Snake (septentrionalis) Leptodeira septentrionalis
- Central America Lizard Eater Mastigodryas alternatus
- Central American Bushmaster Lachesis stenophrys venomous
- Central American Indigo Snake Drymarchon melanurus
- Central American Jumping Pit Viper Metlapilcoatlus mexicanus venomous
- Central American Lyre Snake Trimorphodon quadruplex
- Central American Tree Snake Imantodes gemmistratus
- Chicken Snake Spilotes pullatus
- Clark's Coral Snake Micrurus clarki venomous
- Clark's Forest Racer Dendrophidion clarkii
- Coal Snake Pseudoboa neuwiedii
- Coffee Palm Viper Bothriechis lateralis venomous
- Colombian Boa Boa imperator
- Colombian Earth Snake (brachycephalus) Geophis brachycephalus
- Colombian Longtail Snake Enuliophis sclateri
- Common Graceful Brown Snake Rhadinaea pulveriventris
- Common Neckband Snake Scaphiodontophis venustissimus
- Cope's Black-striped Snake Coniophanes piceivittis
- Cope's Coffee Snake Ninia psephota
- Cope's False Coral Snake Pliocercus euryzonus
- Cope's Forest Racer Dendrophidion paucicarinatum
- Cope's Parrot Snake Leptophis depressirostris
- Cope's Snail Sucker Sibon anthracops
- Cope's Tropical Ground Snake Trimetopon pliolepis
- Cope's Vine Snake Oxybelis brevirostris
- Costa Rica Blind Snake Helminthophis frontalis
- Costa Rica Coffee Snake Ninia celata
- Costa Rica Montane Pitviper Cerrophidion sasai venomous
- Costa Rica Water Snake Hydromorphus concolor
- Costa Rica Worm Snake Amerotyphlops costaricensis
- Costa Rican Coral Snake Micrurus mosquitensis venomous
- Costa Rican Glasstail Snake Urotheca pachyura
- Costa Rican Snaileater Sibon lamari
- Costal Lyre Snake Trimorphodon biscutatus
- Dark-bellied Earth Snake Geophis zeledoni
- Degenhardt's Scorpion-eating Snake Stenorrhina degenhardtii
- Dendrophidion apharocybe
- Despax's Parrot Snake Leptophis riveti
- Dormilona Corallus ruschenbergerii
- Double-banded Coral Snake Mimic Erythrolamprus bizona
- Dunn's Road Guarder Crisantophis nevermanni
- Dunn's Tropical Ground Snake Trimetopon simile
- Ecuador Sipo Chironius grandisquamis
- Erythrolamprus epinephelus
- Esmarald Racer Drymobius rhombifer
- False Fer-de-lance Xenodon rabdocephalus
- False Tree Coral Rhinobothryum bovallii
- Fer-de-lance Bothrops asper venomous
- Fiddle-string Snake Imantodes cenchoa
- Gloyd's Moccasin Agkistrodon howardgloydi venomous
- Godman's Earth Snake Geophis godmani
- Godman's Graceful Brown Snake Rhadinella godmani
- Godman's Montane Pit Viper Cerrophidion godmani venomous
- Green Rat Snake (triaspis) Senticolis triaspis
- Green Vine Snake (fulgidus) Oxybelis fulgidus
- Guatemala Neckband Snake Scaphiodontophis annulatus
- Guatemalan Vine Snake Oxybelis koehleri
- Günther's Tropical Ground Snake Trimetopon gracile
- Hallowell's Centipede Snake Tantilla vermiformis
- Hoffmann's Earth Snake Geophis hoffmanni
- Hognosed Pit Viper Porthidium nasutum venomous
- Honduran milk snake Lampropeltis abnorma
- Leptodeira rhombifera
- Linnaeus' Sipo Chironius exoletus
- Litter Snake Tantilla reticulata
- Mangrove Cat-eyed Snake Leptodeira rubricata
- Many-banded Coral Snake Micrurus multifasciatus venomous
- Metlapilcoatlus borealis venomous
- Mexican Blind Snake Anomalepis mexicana
- Mexican burrowing python Loxocemus bicolor
- Mexican Moccasin Agkistrodon bilineatus venomous
- Mexican Parrot Snake Leptophis mexicanus
- Mexican Snake Eater Clelia scytalina
- Middle American Rattlesnake Crotalus simus venomous
- Mimic False Coral Snake Erythrolamprus mimus
- Mussurana (clelia) Clelia clelia
- Neotropical Whip Snake Masticophis mentovarius
- Oliver's Parrot Snake (nebulosus) Leptophis nebulosus
- Orangebelly Swamp Snake Tretanorhinus nigroluteus
- Pacific Longtail Snake Enulius flavitorques
- Pale Ground Snake Urotheca decipiens
- Panamanian Dwarf Boa Ungaliophis panamensis
- Picado's Pit Viper Atropoides picadoi venomous
- Puffing Snake Phrynonax poecilonotus
- Red-headed Forest Racer Dendrophidion rufiterminorum
- Red-headed Glasstail Urotheca fulviceps
- Redback Coffee Snake Ninia sebae
- Redtail Coral Snake Micrurus mipartitus venomous
- Ringed Snail Sucker Sibon annulatus
- Ringed Tree Boa Corallus annulatus
- Road Guarder Conophis lineatus
- Rough Coffee Snake Nothopsis rugosus
- Rufous-headed Crown Snake Tantilla ruficeps
- Rustyhead Snake Amastridium veliferum
- Ruthven's Earth Snake Geophis ruthveni
- Salmon-bellied racer Mastigodryas melanolomus
- Savage's Earth Snake Geophis downsi
- Sipo (flavopictus) Chironius flavopictus
- Slender Hognose Viper Porthidium ophryomegas venomous
- Slender Snail Sucker Sibon dimidiatus
- Slevin's Tropical Ground Snake Trimetopon slevini
- South American Forest Racer Dendrophidion percarinatum
- Speckled Racer Drymobius margaritiferus
- Spotted Coffee Snake Ninia maculata
- Stejneger's Snail Sucker Sibon longifrenis
- Striped glasstail Urotheca guentheri
- Striped Litter Snake Rhadinella serperaster
- Striped Lowland Snake Leptodrymus pulcherrimus
- Talamanca Forest Racer Dendrophidion crybelum
- Talamanca Glasstail Snake Urotheca myersi
- Talamancan Earth Snake Geophis talamancae
- Talamancan Palm-Pitviper Bothriechis nubestris venomous
- Tantilla armillata
- Taylor's Snaileater Dipsas tenuissima
- Thick Graceful Brown Snake Rhadinaea calligaster
- Tropical Flat Snake Siphlophis compressus
- Two-colored Snail-eater Dipsas bicolor
- Two-spotted Snake Coniophanes bipunctatus
- Ujarran Hognose Viper Porthidium volcanicum venomous
- Viquez's Tropical Ground Snake Trimetopon viquezi
- Western Tree Snake Imantodes inornatus
- White-tailed Hognose Pitviper Porthidium porrasi venomous
- Whitenose Blind Snake Liotyphlops albirostris
- Yellowbelly Snake Coniophanes fissidens