Order: Squamata - Snakes

FAMILY: ​colubridae

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Photo: Rémi Pattyn
Eastern Yellow-bellied Racer
​(Coluber constrictor flaviventris)
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Photo: Tim Warfel
Western Yellow-bellied Racer
​(Coluber constrictor mormon)
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Photo: Hunter Johnson
​Wandering Gartersnake
​(Thamnophis elegans vagrans)
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Photo: Hunter Johnson
Plains Gartersnake
(​​Thamnophis radix)
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Photo: Hunter Johnson
Red-sided Gartersnake
​(Thamnophis sirtalis parietalis)
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Photo: Hunter Johnson
Western Black-necked Gartersnake
​(Thamnophis cyrtopsis cyrtopsis)
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Photo: Rémi Pattyn
Bullsnake
​(​Pituophis catenifer sayi)
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Photo: Hunter Johnson
Great Basin Gophersnake
​(Pituophis catenifer deserticola)
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Photo: Rémi Pattyn
Northern Watersnake
(Nerodia sipedon sipedon)
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Photo: Rémi Pattyn
Plains Hog-nosed Snake
​(​​Heterodon nasicus)
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Photo: Danny Martin
Eastern Hog-nosed Snake
​(Heterodon platirhinos)
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Photo: Rémi Pattyn
Western Coachwhip
​(​Masticophis flagellum testaceus)
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Photo: Rémi Pattyn
Desert Striped Whipsnake
​(Masticophis taeniatus taeniatus)
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Photo: Aaron Balogh
Great Plains Ratsnake
​(​Pantherophis emoryi)
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Photo: Rémi Pattyn
Kansas Glossy Snake
​(Arizona elegans elegans)
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Photo: Rémi Pattyn
Painted Desert Glossy Snake
(Arizona elegans philipi)
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Photo: Rémi Pattyn
Long-nosed Snake
​(Rhinocheilus lecontei)
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Photo: Kevin Young
Western Milksnake
​(Lampropeltis gentilis)
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Photo: Tim Warfel
​Speckled Kingsnake
​(Lampropeltis holbrooki)
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Photo: Rémi Pattyn
California Kingsnake
(​Lampropeltis californiae)
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Photo: Tim Warfel
Smooth Greensnake
​(Opheodrys vernalis)
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Photo: Aaron Balogh
​Prairie Ring-necked Snake
​(Diadophis punctatus arnyi)
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Photo: Rémi Pattyn
Great Plains Groundsnake
​(Sonora episcopa)
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Photo: Rémi Pattyn
​Lined Snake
​(​Tropidoclonion lineatum)
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Photo: Kevin Urbanek
Chihuahuan Nightsnake
​(​Hypsiglena jani)
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Photo: Tim Warfel
Mesa Verde Nightsnake
​(Hypsiglena chlorophaea loreala)
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Photo: Hunter Johnson
Plains Black-headed Snake
​(Tantilla nigriceps)
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Photo: Kevin Urbanek
Smith's Black-headed Snake
​(Tantilla hobartsmithi)

FAMILY: ​viperidae

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Photo: Rémi Pattyn
Prairie Rattlesnake
​(Crotalus viridis)
Venomous
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Photo: Graham Zephirin
Midget Faded Rattlesnake
​(Crotalus oreganus concolor)
Venomous
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Photo: Rémi Pattyn
Western Massasauga
​(Sistrurus tergeminus)
​Venomous

FAMILY: ​LEPTOTYPHLOPIDAE

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Photo: Hunter Johnson
New Mexico Threadsnake
​(Rena dissecta)

EXTIRPATED

FAMILY: ​COLUBRIDAE 

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Photo: Danny Martin
Arid Land Ribbonsnake
(Thamnophis proximus diabolicus)
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Visit our parent organization, Partners in Amphibian and Reptile Conservation (PARC), for more information on national conservation efforts and other regional groups.
​This website and any products posted herein are  officially recognized by the national entity, Partners in Amphibian and Reptile Conservation (PARC), as the efforts of an approved PARC chapter.