# List of snakes of Colombia

The nearly 300 species of snake found in Colombia represent nine of the eighteen families. Six families (Aniliidae, Boidae, Colubridae, Elapidae, Tropidophiidae, Viperidae) are within the infraorder Alethinophidia (advanced snakes) and three families (Anomalepididae, Leptotyphlopidae, Typhlopidae) are within the infraorder Scolecophidia (blind snakes).
The largest snake ever known, Titanoboa, was discovered as a fossil in northeastern Colombia.

## Aniliidae

| Pipe Snakes |
| Scientific Name | Common Name | Distribution | Status |
| Anilius scytale | Red Pipe Snake | Amazon basin | |

## Boidae

| Boas |
| Scientific Name | Common Name | Distribution | Status |
| Boa constrictor | Boa Constrictor | Throughout; mostly rainforest | Endemic |
| Corallus annulatus | Annulated Tree Boa | Pacific region | |
| Corallus batesii | Amazon Basin Emerald Tree Boa | Amazon basin | |
| Corallus hortulanus | Amazon Tree Boa | Amazon basin | |
| Corallus ruschenbergerii | Ruschenberger Tree Boa | Caribbean lowlands & Orinoquia region | |
| Epicrates cenchria | Brazilian Rainbow Boa | Amazon & Orinoquia regions | Endemic |
| Epicrates maurus | Colombian Rainbow Boa | Caribbean region; dry forest | Native |
| Eunectes murinus | Green Anaconda | Amazon & Orinoquia regions | |

## Colubridae

| Colubrid Snakes |
| Scientific Name | Common Name | Distribution | Status |
| Amastridium veliferum | Rusty-headed Snake | Northwest Colombia | |
| Apostolepis niceforoi | Amazon Burrowing Snake | Amazon basin | |
| Atractus andinus | Andean Ground Snake | Andes (Antioquia) | Endemic |
| Atractus apophis | Huila Spindle Snake | East slope of Central Andes (Huila), 1640 m | Endemic |
| Atractus arangoi | Putumayo Spindle Snake | Southern Colombia (Putumayo) | Endemic |
| Atractus atratus | Dark-belled Spindle Snake | East slope of Central Andes (Huila), 1700–2000 m | Endemic |
| Atractus attenuates | Slender Spindle Snake | Central Andes (Antioquia), 1000 m | Endemic |
| Atractus avernus | Caquetá Spindle Snake | Colombia (Caquetá) | Endemic |
| Atractus badius | French Guyana Ground Snake | Caribbean lowlands | |
| Atractus biseriatus | Two-lined Ground Snake | Central Andes (Caldas) | Endemic |
| Atractus bocourti | Bocourt's Ground Snake | West slopes of Andes (2000–3130 m) | |
| Atractus boulengerii | Boulenger's Ground Snake | Pacific lowlands (Valle del Cauca) | Endemic |
| Atractus charitoae | Vaupés Spindle Snake | Amazon basin (Vaupés) | |
| Atractus chthonius | Finca Meremburg Spindle Snake | East slope of Central Andes (Cauca, Huila), 1500–2400 m | Endemic |
| Atractus clarki | Clark's Ground Snake | Northwest Colombia (Darién) | |
| Atractus collaris | Collared Ground Snake | Amazon basin (Amazonas, Caquetá) | |
| Atractus crassicaudatus | Thickhead Ground Snake | East Andes (Boyacá & Cundinamarca), 2000–3200 m | Endemic |
| Atractus echidna | Nariño Spindle Snake | Southern Pacific lowlands (Nariño) | |
| Atractus elaps | Black Ground Snake | Amazon basin | |
| Atractus erythromelas | Red-black Ground Snake | Eastern Colombia along border with Venezuela | |
| Atractus franciscopaivai | La Pedrera Spindle Snake | Amazon basin | |
| Atractus guentheri | Günther's Ground Snake | Amazon basin | |
| Atractus heliobelluomini | La Chorrera Spindle Snake | Amazon basin | |
| Atractus indistinctus | Indistinct Ground Snake | Northern Colombia (Norte de Santander) | Endemic |
| Atractus iridescens | Iridescent Ground Snake | Pacific lowlands (Chocó) | Endemic |
| Atractus lasallei | Lasalle's Ground Snake | Northern Colombia (Antioquia) | Endemic |
| Atractus latifrons | Broadhead Ground Snake | Amazon basin | |
| Atractus lehmanni | Lehmann's Ground Snake | Southwest Colombia (Cauca) | |
| Atractus limitaneus | Limitan Ground Snake | Amazon basin | Endemic |
| Atractus loveridgei | Loveridge's Ground Snake | Northern Colombia (Antioquia) | Endemic |
| Atractus macondo | Macondo Spindle Snake | Northern Colombia (Magdalena) | Endemic |
| Atractus major | Brown Ground Snake | Amazon slope of East Andes (Caquetá), to 3000 m | |
| Atractus manizalesensis | Villamaria Spindle Snake | Central Andes (Caldas) | Endemic |
| Atractus medusa | Gorgona Spindle Snake | Gorgona Island | Endemic ? |
| Atractus melanogaster | Blackbelly Ground Snake | Central Andes (Tolima, Antioquia) | Endemic |
| Atractus melas | Dark Ground Snake | Pacific lowlands (Chocó, Valle del Cauca), 80–300 m | Endemic |
| Atractus multicinctus | Banded Ground Snake | Pacific lowlands (Valle del Cauca, Cauca, Nariño) | |
| Atractus nasutus | Sharp-nosed Spindle Snake | Central Andes (Antioquia), 2600 m | Endemic |
| Atractus natans | Mamirauá Spindle Snake | Amazon basin | |
| Atractus nicefori | Northern Ground Snake | West & Central Andes (Antioquia), 2000–2500 m | Endemic; Vulnerable |
| Atractus nigriventris | Black-vented Ground Snake | East Andes (Santander) | Endemic |
| Atractus obesus | Fat Ground Snake | West Andes (Antioquia, Valle del Cauca) | Endemic |
| Atractus obtusirostris | Bignose Ground Snake | Central Andes (Tolima, Caldas) | Endemic |
| Atractus occipitoalbus | Gray Ground Snake | Amazon slope of Andes (Putumayo), 775–850 m | |
| Atractus oculotemporalis | Hispanic Ground Snake | Northern Colombia (Antioquia) | Endemic |
| Atractus orcesi | Orellana Spindle Snake | Amazon slope of Andes (Cauca, Huila, Putumayo), 500–3000 m | |
| Atractus paisa | Sonsón Spindle Snake | Central Andes (Antioquia), 2600 m | Endemic |
| Atractus pamplonensis | Pamplona Ground Snake | Eastern Colombia (Norte de Santander) | |
| Atractus poeppigi | Basin Ground Snake | Amazon basin | |
| Atractus punctiventris | Pointed Ground Snake | Central Colombia (Meta) | Endemic |
| Atractus reticulatus | Reticulated Ground Snake | Amazon basin | |
| Atractus sanctaemartae | Santa Marta Ground Snake | Santa Marta Mountains | Endemic |
| Atractus sanguineus | Bloody Ground Snake | Central Andes (Antioquia) | Endemic |
| Atractus snethlageae | Gurupi River Spindle Snake | Amazon basin | |
| Atractus titanicus | Titan Spindle Snake | Central Andes (Antioquia, Valle del Cauca), 1800–2400 m | Endemic |
| Atractus torquatus | Neckbanded Ground Snake | Amazon basin | |
| Atractus trivittatus | Three-banded Ground Snake | East Andes (Santander) | Endemic |
| Atractus typhon | Typhon Spindle Snake | Pacific slope of West Andes (Nariño) | |
| Atractus univittatus | One-banded Ground Snake | Eastern Colombia (Meta) | |
| Atractus variegatus | Variegated Ground Snake | East Andes (Boyacá) | Endemic |
| Atractus vertebrolineatus | Striped Ground Snake | East Andes (Santander) | Endemic |
| Atractus wagleri | Wagler's Ground Snake | East Andes (Boyacá) | Endemic |
| Atractus werneri | Werner's Ground Snake | West slope of East Andes (Cundinamarca), 1200–1800 m | Endemic |
| Atractus zidoki | Zidok's Ground Snake | Amazon basin | |
| Chironius carinatus | Machete Savane or Sipo | Throughout | |
| Chironius exoletus | Linnaeus' Sipo | Amazon basin, Pacific lowlands? | |
| Chironius fuscus | Brown Sipo | Amazon basin | |
| Chironius grandisquamis | Ecuador Sipo | Pacific lowlands | |
| Chironius monticola | Mountain Sipo | Andes, 2100–3000 m | |
| Chironius multiventris | South American Sipo | Amazon & Orinoquia regions | |
| Chironius scurrulus | Wagler's Sipo | Amazon basin | |
| Chlorosoma viridissimum | Common Green Racer | Amazon basin | |
| Clelia clelia | Mussurana | Throughout | |
| Clelia equatoriana | Equatorial Mussurana | Pacific slope of West Andes, 1000–2000 m | |
| Clelia scytalina | Highland Mussurana | Northwest Colombia ? | |
| Coluber mentovarius | Neotropical Whip Snake | Caribbean region | |
| Coniophanes andresensis | San Andrés Island Snake | San Andrés Island | Endemic |
| Coniophanes fissidens | Yellowbelly Snake | Pacific lowlands | |
| Dendrophidion bivittatus | Forest Racer | West Colombia, to 1600 m | |
| Dendrophidion boshelli | Hoshell's Forest Racer | Magdalena River Valley (Cundinamarca), 250 m | Endemic |
| Dendrophidion dendrophis | Olive Forest Racer | Amazon basin | |
| Dendrophidion nuchale | Pink-tailed Forest Racer | North & West Colombia - lowlands and foothills | |
| Dendrophidion percarinatus | South American Forest Racer | North & West Colombia lowlands | |
| Diaphorolepis laevis | Colombian Frog-eating Snake | Pacific slope of West Andes | Endemic |
| Diaphorolepis wagneri | Ecuador Frog-eating Snake | Pacific lowlands | |
| Dipsas baliomelas | Macarena Mountains Snail-eater | Macarena Mountains (Meta) | Endemic |
| Dipsas catesbyi | Catesby's Snail-eater | Amazon basin | |
| Dipsas ellipsifera | Ibarra Snail-eater | Southwest Colombia | |
| Dipsas gracilis | Graceful Snail-eater | Pacific slope of West Andes, to 1250 m | |
| Dipsas indica | Neotropical Snail-eater | East slope of East Andes, to 750 m | |
| Dipsas pavonina | Northern Snail-eater | Amazon basin | |
| Dipsas peruana | Peruvian Snail-eater | East slope of East Andes, 500–3000 m | |
| Dipsas pratti | Pratt's Snail-eater | Andes (Antioquia) | |
| Dipsas sanctijoannis | Tropical Snail-eater | West & Central Andes (Caldas, Quindio, Valle del Cauca, Cauca), above 1000 m | Endemic |
| Dipsas temporalis | Temporal Snail-eater | Pacific lowlands | |
| Dipsas viguieri | Bocourt's Snail-eater | Pacific lowlands | |
| Drepanoides anomalus | Black-collared Snake | Amazon basin | |
| Drymarchon caudomaculatus | Spot-tailed Cribo | Northeast Colombia | |
| Drymarchon corais | Black-tailed Indigo Snake | West of the Andes, to 2630 m | |
| Drymarchon melanurus | Black-tailed Cribo | Western Colombia | |
| Drymobius margaritiferus | Speckled Racer | Caribbean lowlands | |
| Drymobius rhombifer | Esmerald Racer | Caribbean lowlands & Amazon basin | |
| Drymoluber dichrous | Northern Woodland Racer | Amazon basin | |
| Echinanthera undulata | Undulated Leaf-litter Snake | Amazon basin | |
| Enuliophis sclateri | Colombian Long-tailed Snake | Northern Colombia, to 1285 m | |
| Enulius flavitorques | Pacific Long-tailed Snake | North & West Colombia lowlands | |
| Erythrolamprus aesculapii | Aesculapian False Coral Snake | Amazon basin | |
| Erythrolamprus bizona | False Coral Snake | Throughout, to 2600 m | |
| Erythrolamprus breviceps | Short Ground Snake | Amazon basin | |
| Erythrocamprus cobella | Mangrove Snake | Lowlands throughout | |
| Erythrolamprus epinephelus | Sabanera Snake | Throughout | |
| Erythrolamprus melanotus | Black-backed Snake | Northern Colombia | |
| Erythrolamprus miliaris | Military Ground Snake | Amazon basin | |
| Erythrolamprus mimus | Mimic False Coral Snake | Pacific lowlands | |
| Erythrolamprus pseudocorallus | False Coral Snake | Central & East Colombia, 100–2300 m | |
| Erythrolamprus pyburni | Pyburn's Tropical Forest Snake | Central Colombia (Meta) | Endemic |
| Erythrolamprus pygmaeus | Amazon Tropical Forest Snake | Amazon basin | |
| Erythrolamprus reginae | Royal Ground Snake | Amazon basin | |
| Erythrolamprus taeniogaster | Ground Snake | Amazon basin | |
| Erythrolamprus taeniurus | Thin Ground Snake | Amazon slope of Andes, 840–3825 m | |
| Erythrolamprus typhlus | Velvet Swamp Snake | Amazon basin | |
| Erythrolamprus vitti | Maldonado's Snake | Pacific slope of West Andes | |
| Geophis betaniensis | Betanien Earth Snake | East slope of West Andes (Valle del Cauca), 1000–1750 m | Endemic |
| Geophis hoffmanni | Hoffmann's Earth Snake | Northwest Colombia ? | |
| Geophis nigroalbus | Colombian Earth Snake | Andes (Antioquia, Santander, Valle del Cauca), 900–1700 m | Endemic |
| Helicops angulatus | Mountains Keelback | East of Andes | |
| Helicops carinicauda | Wied's Keelback | Southeast Colombia | |
| Helicops danieli | Daniel's Keelback | Northwest Colombia lowlands | Endemic |
| Helicops hagmanni | Hagmann's Keelback | Amazon basin | |
| Helicops leopardinus | Leopard Keelback | Amazon basin ?? | |
| Helicops pastazae | Shreve's Keelback | Amazon basin | |
| Helicops polylepis | Norman's Keelback | Amazon basin | |
| Helicops scalaris | Ladder Keelback | Caribbean lowlands | |
| Hydrodynastes bicinctus | Herrmann's Water Snake | Amazon basin | |
| Hydromorphus concolor | Costa Rica Water Snake | Pacific lowlands | |
| Hydrops martii | Amazon Water Snake | Amazon basin | |
| Hydrops triangularis | Triangle Water Snake | Amazon basin | |
| Imantodes cenchoa | Blunthead Tree Snake | Throughout | |
| Imantodes gemmistratus | Central American Tree Snake | Northwest Colombia | |
| Imantodes inornatus | Plain Tree Snake | Pacific lowlands | |
| Imantodes lentiferus | Amazon Basin Tree Snake | Amazon basin | |
| Lampropeltis triangulum | Milksnake | Throughout, to 2600 m | |
| Leptodeira annulata | Banded Cat-eyed Snake | Throughout, to 1950 m | |
| Leptodeira septentrionalis | Northern Cat-eyed Snake | Throughout | |
| Leptophis ahaetulla | Parrot Snake | Throughout | |
| Leptophis cupreus | Copper Parrot Snake | Pacific & Amazon regions (Chocó, Meta) | |
| Leptophis depressirostris | Cope's Parrot Snake | Pacific lowlands | |
| Leptophis riveti | Despax's Parrot Snake | North & West Colombia lowlands | |
| Leptophis santamartensis | Santa Marta Parrot Snake | Santa Marta Mountains; | Endemic |
| Lygophis lineatus | Lined Ground Snake | North & West Colombia | |
| Mastigodryas bifossatus | Swamp Racer | East of Andes | |
| Mastigodryas boddaerti | Boddaert's Tropical Racer | East of Andes | |
| Mastigodryas danieli | Daniel's Tropical Racer | Northern Colombia (Antioquia) | |
| Mastigodryas melanolomus | Salmon-bellied Racer | Northwest Colombia | |
| Mastigodryas pleei | Plee's Tropical Racer | Caribbean lowlands | |
| Mastigodryas pulchriceps | Cope's Tropical Racer | Pacific region & Inter-Andean valleys, to 2800 m | |
| Ninia atrata | Red-naped Snake | Throughout | |
| Nothopsis rugosus | Rough Coffee Snake | Pacific region | |
| Oxybelis aeneus | Brown Vine Snake | Throughout | |
| Oxybelis brevirostris | Cope's Vine Snake | Pacific lowlands | |
| Oxybelis fulgidus | Green Vine Snake | Lowlands throughout | |
| Oxyrhopus formosus | Yellow-headed Calico Snake | East of Andes | |
| Oxyrhopus leucomelas | Werner's False Coral Snake | East slope of East Andes | |
| Oxyrhopus melanogenys | Tschudi's False Coral Snake | Amazon basin | |
| Oxyrhopus occipitalis | Northern Calico Snake | Amazon basin | |
| Oxyrhopus petolarius | Forest Flame Snake | Lowlands east and west of Andes | |
| Oxyrhopus vanidicus | Leticia Calico Snake | Amazon basin | |
| Phylodryas argentea | Striped Sharpnose Snake | Amazon basin | |
| Philodryas olfersii | Lichtenstein's Green Racer | Amazon basin | |
| Phimophis guianensis | Troschel's Pampas Snake | Caribbean lowlands | |
| Phrynonax sexcarinatus | Wagler's Puffing Snake | Amazon basin | |
| Plesiodipsas perijanensis | Alemán's Snail-eater | East Andes (Santander) & Perijá Mountains | |
| Pliocercus euryzonus | Black Halloween Snake | Pacific lowlands & foothills | |
| Pseudoboa coronata | Crowned False Boa | Amazon basin | |
| Pseudoboa neuwiedii | Neuwied's False Boa | Northern lowlands | |
| Pseudoeryx plicatilis | South American Pond Snake | Amazon basin | |
| Pseustes poecilonotus | Puffing Snake | Pacific & Caribbean lowlands | |
| Pseustes shropshirei | Shropshire's Puffing Snake | Pacific lowlands | |
| Rhadinaea decorata | Adorned Graceful Brown Snake | Northwest Colombia | |
| Rhinobothryum bovallii | False Tree Coral | Pacific & Caribbean lowlands | |
| Rhinobothryum lentiginosum | Amazon Banded Snake | Amazon & Orinoquia regions | |
| Saphenophis antioquiensis | Dunn's Saphenophis Snake | Antioquia, 2560 m | |
| Saphenophis boursieri | Bourcier's Saphenophis Snake | Pacific foothills of West Andes | |
| Saphenophis sneiderni | Saphenophis Snake | West Andes (Cauca) | Endemic |
| Saphenophis tristriatus | Three-striped Smooth Ground Snake | West Andes (Cauca) | Endemic |
| Scaphiodontophis annulatus | Neck-banded Snake | Northwest Colombia | |
| Scaphiodontophis venustissimus | Common Neck-banded Snake | Pacific lowlands | |
| Sibon nebulata | Cloudy Snail-eating Snake | Caribbean lowlands | |
| Siphlophis cervinus | Checkerbelly | Amazon basin | |
| Siphlophis compressus | Tropical Flat Snake | Pacific lowlands | |
| Spilotes pullatus | Yellow Rat Snake | Throughout | |
| Spilotes sulphureus | Amazon Puffing Snake | Amazon basin | |
| Stenorrhina degenhardtii | Degenhardt's Scorpion-eating Snake | Pacific & Caribbean lowlands, Andes | |
| Synophis bicolor | Two-colored Fishing Snake | Amazon basin | |
| Synophis lasallei | Lasalle's Fishing Snake | Amazon basin | |
| Synophis plectovertebralis | Braided Shadow Snake | Pacific slope of West Andes (Valle del Cauca) | Endemic |
| Taeniophallus brevirostris | Short-nosed Ground Snake | Amazon basin | |
| Taeniophallus occipitalis | Bahia Leaf Litter Snake | Amazon basin | |
| Tantilla alticola | Boulenger's Centipede Snake | Northwest Colombia | |
| Tantilla melanocephala | Black-headed Snake | Throughout | |
| Tantilla nigra | Black Centipede Snake | Pacific lowlands (Chocó) | Endemic |
| Tantilla reticulata | Reticulate Centipede Snake | Northwest Colombia | |
| Tantilla semicincta | Ringed Centipede Snake | Caribbean lowlands | |
| Thamnodynastes gambotensis | Gambote Mock Viper | Caribbean lowlands (Bolivar) | Endemic |
| Thamnodynastes pallidus | Amazon Coastal House Snake | Amazon & Orinoquia regions | |
| Tretanorhinus taeniatus | Striped Swamp Snake | Pacific lowlands | |
| Urotheca decipiens | Pale Ground Snake | Pacific lowlands | |
| Urotheca dumerilli | Dumeril's Boxtail Snake | Pacific lowlands (Chocó) | Endemic |
| Urotheca fulviceps | Tawny-headed Glass-tailed Snake | Pacific & Caribbean lowlands | |
| Urotheca lateristriga | Ribboned Brittle Snake | Pacific lowlands & foothills | |
| Urotheca multilineata | Many-striped Glass-tailed Snake | Eastern Colombia | |
| Urotheca pachyura | Thick-tailed Glass-tailed Snake | Pacific lowlands | |
| Xenodon rabdocephalus | False Fer-de-Lance | Throughout | |
| Xenodon severus | Amazon False Fer-de-lance | Amazon basin | |
| Xenopholis scalaris | Wucherer's Ground Snake | Amazon basin | |

## Elapidae

| Coral Snakes & Sea Snake |
| Scientific Name | Common Name | Distribution | Status |
| Micrurus ancoralis | Regal Coral Snake | Pacific lowlands, to 1500 m | |
| Micrurus bocourti | False Triad Coral Snake | Pacific lowlands | |
| Micrurus camilae | Camila's Coral Snake | Northern Colombia (Urrá, Córdoba) | Endemic |
| Micrurus clarki | Clark's Coral Snake | Pacific lowlands, to 500 m | |
| Micrurus dissoleucus | Pygmy Coral Snake | Northern Colombia, to 500 m | |
| Micrurus dumerilii | Capuchin Coral Snake | Pacific lowlands, Gorgona Island, Andean region, Santa Marta Mountains | |
| Micrurus filiformis | Slender Coral Snake | Amazon & Orinoquia regions, to 400 m | |
| Micrurus hemprichii | Hemprich's Coral Snake | Amazon & Orinoquia regions, to 1200 m | |
| Micrurus isozonus | Equal-banded Coral Snake | Orinoquia region, to 1400 m | |
| Micrurus langsdorffi | Confused Coral Snake | Amazon basin, to 500 m | |
| Micrurus lemniscatus | South American Coral Snake | Amazon & Orinoquia regions, to 1000 m | |
| Micrurus medemi | Medem's Coral Snake | Central Colombia (Meta) | Endemic |
| Micrurus mipartitus | Red-tailed Coral Snake | Pacific lowlands, Gorgona Island, Andean region, Santa Marta Mountains | |
| Micrurus multifasciatus | Many-banded Coral Snake | Pacific lowlands | |
| Micrurus multiscutatus | Cauca Coral Snake | Pacific slope of West Andes (Cauca), 100–900 m | Native |
| Micrurus narduccii | Andean Black-backed Coral Snake | Amazon foothills of East Andes (Putumayo), 100–1500 m | |
| Micrurus nattereri | Natterer's Coral Snake | Amazon & Orinoquia regions, to 600 m | |
| Micrurus nigrocinctus | Central American Coral Snake | Northwest Colombia (Darién), Providencia Island | Native |
| Micrurus obscurus | Bolivian Coral Snake | Amazon basin | |
| Micrurus oligoanellatus | Tambo Coral Snake | Pacific slope of West Andes (Cauca), 1000–1500 m | Endemic |
| Micrurus ornatissimus | Ornate Coral Snake | Amazon basin | |
| Micrurus psyches | Carib Coral Snake | Amazon basin | |
| Micrurus putumayensis | Putumayo Coral Snake | Amazon basin | Native |
| Micrurus remotus | Neblina Coral Snake | East Colombia (Guainía, Guaviare, Vaupés) | |
| Micrurus renjifoi | Ringed Slender Coral Snake | East Colombia (Vichada) | Endemic |
| Micrurus sangilensis | Santander Coral Snake | East Andes (Boyacá, Cundinamarca, Santander), 1000–1700 m | Endemic |
| Micrurus scutiventris | Pygmy Slender Coral Snake | Amazon basin | |
| Micrurus spixii | Amazon Coral Snake | Amazon & Orinoquia regions, to 1200 m | |
| Micrurus spurrelli | Butterfly-head Coral Snake | Pacific lowlands (Chocó), to 400 m | Endemic |
| Micrurus surinamensis | Aquatic Coral Snake | Amazon & Orinoquia regions, to 600 m | |
| Pelamis platura | Yellow-bellied Sea Snake | Pacific Ocean, Gorgona Island | |

## Tropidophiidae

| Dwarf Boas |
| Scientific Name | Common Name | Distribution | Status |
| Trachyboa boulengeri | Northern Eyelash Boa | Pacific lowlands | Endemic |
| Ungaliophis panamensis | Panamanian Dwarf Boa | Pacific lowlands | Endemic |

## Viperidae

| Pit Vipers |
| Scientific Name | Common Name | Distribution | Status |
| Bothriechis schlegelii | Eyelash Viper | Throughout, to 2600 m; dense humid forest (Caldas, Antioquia, Risaralda & Chocó) | Endemic |
| Bothrocophias campbelli | Ecuadorian Toad-headed Pitviper | Southwest Colombia, 1000–1500 m | |
| Bothrocophias colombianus | Colombian Toad-headed Pitviper | Western slopes of West Andes (Cauca & Antioquia) | Native |
| Bothrocophias hyoprora | Amazonian Toad-headed Pitviper | Amazon basin | |
| Bothrocophias microphthalmus | Small-eyed Toad-headed Pitviper | Western Colombia | |
| Bothrocophias myersi | Chocoan Toad-headed Pitviper | Pacific lowlands (Cauca & Valle del Cauca), 75–200 m; | Endemic |
| Bothrocophias myrringae | High-Andean Toad-Headed Pitviper | Throughout, to 2600 m; (Boyacá) | Native |
| Bothrocophias tulitoi | Unknown | Throughout, to 2600 m; Altiplano cundioboyacense (Boyacá) | Native |
| Bothrops asper | Fer-de-lance | Throughout, to 1500 m; Gorgona Island | |
| Bothrops atrox | Common Lancehead | East of Andes | |
| Bothrops ayerbei | Patian Lancehead | Southwest Colombia (Cauca), 1400m | Endemic |
| Bothrops bilineatus | Two-striped Forest Pitviper | Amazon basin | Endemic |
| Bothrops brazili | Brazil's Lancehead | Amazon basin | |
| Bothrops colombiensis | Colombia Lancehead | Eastern Colombia | Native |
| Bothrops oligobalius | Unknown | Amazon Basin (Amazonas, Vaupés) | Endemic |
| Bothrops pulcher | Andean Forest Pitviper | Eastern slopes of Andes, 1000–2000 m | |
| Bothrops punctatus | Chocoan Forest Pitviper | Pacific region, to 2000 m | |
| Bothrops rhombeatus | Cauca Valley Yellow Lancehead | Southwest Colombia (Cauca, Valle del Cauca) | Endemic |
| Bothrops taeniatus | Speckled Forest Pitviper | East of Andes; forest | |
| Bothrops venezuelensis | Venezuelan Lancehead | East Andes (Norte de Santander & Boyacá) | |
| Crotalus durissus | South American Rattlesnake | Isolated populations throughout, to 2000 m; usually not forest | Native |
| Lachesis acrochorda | Chocoan Bushmaster | Pacific region, to 1000 m | Native |
| Lachesis muta | South American Bushmaster | East of Andes | |
| Porthidium lansbergii | Lansberg's Hog-nosed Pitviper | Caribbean lowlands | |
| Porthidium nasutum | Rainforest Hog-nosed Pitviper | Caribbean & Pacific lowland | |

## Anomalepidae

| Primitive Blind Snakes |
| Scientific Name | Common Name | Distribution | Status |
| Anomalepis colombia | Caldas Blind Snake | Central Andes (Caldas), 1700 m | Endemic |
| Helminthophis flavoterminatus | Yellowtail Blind Snake | Caribbean lowlands | |
| Helminthophis praeocularis | Preocular Blind Snake | Magdalena River Valley | Endemic |
| Liotyphlops albirostris | Whitenose Blind Snake | Caribbean lowlands, foothills of East Andes | |
| Liotyphlops anops | Cope's Blind Snake | East Andes (Santander, Cundinamarca) | Endemic |
| Liotyphlops argaleus | Vexatious Blind Snake | East Andes (Cundinamarca) | Endemic |
| Liotyphlops haadi | Haad's Blind Snake | Amazon basin | |

## Leptotyphlopidae

| Slender Blind Snakes |
| Scientific Name | Common Name | Distribution | Status |
| Leptotyphlops macrolepis | Big-scaled Blind Snake | - | |

## Typhlopidae

| Worm Snakes |
| Scientific Name | Common Name | Distribution | Status |
| Typhlops brongersmianus | Brongersma's Worm Snake | East of Andes | |
| Typhlops minuisquamus | Basin Worm Snake | Amazon basin | |
| Typhlops reticulatus | Reticulate Worm Snake | East of Andes | |