Order: Squamata - Snakes
Colorado Snake Species
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Scientific Name
Arizona elegans Coluber constrictor Coluber flagellum Coluber taeniatus Crotalus oreganus Crotalus viridis Diadophis punctatus Heterodon nasicus Heterodon platirhinos Hypsiglena chlorophaea Hypsiglena jani Lampropeltis californiae Lampropeltis gentilis Lampropeltis holbrooki Nerodia sipedon Opheodrys vernalis Pantherophis emoryi Pituophis catenifer Rena dissectus Rhinocheilus lecontei Sistrurus tergeminus Sonora semiannulata Tantilla hobartsmithi Tantilla nigriceps Thamnophis cyrtopsis Thamnophis elegans Thamnophis proximus Thamnophis radix Thamnophis sirtalis Tropidoclonion lineatum |
Common Name
Glossy Snake North American Racer Coachwhip Striped Whipsnake Western Rattlesnake Prairie Rattlesnake Ring-necked Snake Plains Hog-nosed Snake Eastern Hog-nosed Snake Desert Nightsnake Chihuahuan Nightsnake California Kingsnake Western Milksnake Speckled Kingsnake Common Watersnake Smooth Greensnake Great Plains Ratsnake Gophersnake New Mexico Threadsnake Long-nosed Snake Massasauga Western Groundsnake Smith's Black-headed Snake Plains Black-headed Snake Black-necked Gartersnake Western Terrestrial Gartersnake Western Ribbonsnake Plains Gartersnake Common Gartersnake Lined Snake |
Species of Possible Occurrence
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Scientific Name
Charina bottae Storeria dekayi |
Common Name
Northern Rubber Boa Dekay's Brownsnake |
Family: Colubridae
Genus: Coluber - North American Racers, Coachwhips, & Whipsnakes
North American Racer
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Genus: Heterodon - North American Hog-nosed Snakes
Plains Hog-nosed Snake
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Eastern Hog-nosed Snake
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Genus: Pantherophis - North American RatsnakesGreat Plains Ratsnake
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Photo: Aaron Balogh
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Genus: Thamnophis - Gartersnakes
Terrestrial Gartersnake
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Common Gartersnake
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Western Ribbonsnake
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Black-necked Gartersnake
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Plains Gartersnake
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Genus: Tropidoclonion - Lined SnakesLined Snake
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Genus: Nerodia - North American WatersnakesCommon Watersnake
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Genus: Arizona - Glossy SnakeGlossy Snake
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Glossy Snake on road. Photo: Kevin Urbanek.
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Genus: Rhinocheilus - Long-nosed SnakesLong-nosed Snake
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Photo: Tim Warfel.
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Genus: Opheodrys - GreensnakesSmooth Greensnake
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Photo: Tim Warfel.
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Genus: Diadophis - Ring-necked SnakesRing-necked Snake
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Photo: Aaron Balogh
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Genus: Tantilla - Black-headed, Crowned, & Flat-headed Snakes
Plains Black-headed Snake
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Smith's Black-headed Snake
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Genus: Pituophis - Bullsnakes, Pinesnakes & Gophersnakes
Gophersnake (Bullsnake)
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Genus: Lampropeltis - Kingsnakes
Speckled Kingsnake
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California Kingsnake
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Milksnake
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Genus: Hypsiglena - North American Nightsnakes
Desert Nightsnake
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Chihuahuan Nightsnake
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Family: Leptotyphlopidae
Family: Viperidae
Genus: Crotalus - Rattlesnakes
Prairie Rattlesnake *Venomous
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Western Rattlesnake
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Genus: Sistrurus - Ground RattlesnakesMassasauga
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Family: Boidae
Genus: Charina - Rubber Boas
Rubber Boa *Possible occurrence in Colorado
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Photo: Hunter Johnson
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