Colorado Herpetological Society's

Guide to the Reptiles and Amphibians of Colorado

About this Guide

Naming Conflicts,
Documenting,
& References

INDEX OF SPECIES
By Common Name
By Scientific Name
Grouped By Family

Index of Counties
Map of Counties

IDENTIFICATION KEYS
Amphibians
Turtles
Lizards
Snakes

List of Subspecies

CHS Home Page

Documented Amphibians and Reptiles of

Larimer County

Last Updated on January 20, 2000

Amphibians
Common Name	Scientific Name	Reference
Northern cricket frog	Acris crepitans
Tiger salamander	Ambystoma tigrinum	H
Western toad	Bufo boreas	H
Great Plains toad	Bufo cognatus	*
Green toad	Bufo debilis
Red-spotted toad	Bufo punctatus
Woodhouse's toad	Bufo woodhousii	H
Great Plains narrowmouth toad	Gastrophryne olivacea
Canyon treefrog	Hyla arenicolor
Western chorus frog	Pseudacris triseriata	H
Plains leopoard frog	Rana blairi
Bullfrog	Rana catesbeiana	RJW1
Northern leopard frog	Rana pipiens	H
Wood frog	Rana sylvatica	H
Couch's spadefoot	Scaphiopus couchii
Plains spadefoot	Spea bombifrons	H
Great Basin spadefoot	Spea intermontana
New Mexico spadefoot	Spea multiplicata

Turtles
Common Name	Scientific Name	Reference
Spiny softshell	Apalone spinifera	*
Snapping turtle	Chelydra serpentina	H
Painted turtle	Chrysemys picta	H
Yellow mud turtle	Kinosternon flavescens
Ornate box turtle	Terrapene ornata	*

Lizards
Common Name	Scientific Name	Reference
Triploid Colorado checkered whiptail	Cnemidophorus neotesselatus
Six-lined racerunner	Cnemidophorus sexlineatus	H
Diploid Colorado checkered whiptail	Cnemidophorus tesselatus
Western whiptail	Cnemidophorus tigris
Plateau striped whiptail	Cnemidophorus velox
Collared lizard	Crotaphytus collaris
Variable skink	Eumeces gaigeae
Many-lined skink	Eumeces multivirgatus	H
Great Plains skink	Eumeces obsoletus
Longnose leopard lizard	Gambelia wislizenii
Lesser earless lizard	Holbrookia maculata	H
Texas horned lizard	Phrynosoma cornutum
Short-horned lizard	Phrynosoma hernandesi	H
Round-tail horned lizard	Phrynosoma modestum
Sagebrush lizard	Sceloporus graciosus
Desert spiny lizard	Sceloporus magister
Prairie lizard / Plateau lizard	Sceloporus undulatus	H
Tree lizard	Urosaurus ornatus
Side-blotched lizard	Uta stansburiana

Snakes
Common Name	Scientific Name	Reference
Glossy snake	Arizona elegans
Racer	Coluber constrictor	H
Western rattlesnake	Crotalus viridis	H
Ringneck snake	Diadophis punctatus
Corn snake	Elaphe guttata
Western hognose snake	Heterodon nasicus	H
Night snake	Hypsiglena torquata
Common kingsnake	Lampropeltis getula
Milk snake	Lampropeltis triangulum	H
Texas blind snake	Leptotyphlops dulcis
Smooth green snake	Liochlorophis vernalis	*
Coachwhip	Masticophis flagellum
Striped whipsnake	Masticophis taeniatus
Northern water snake	Nerodia sipedon	H
Gopher snake	Pituophis catenifer	H
Longnose snake	Rhinocheilus lecontei
Massasauga	Sistrurus catenatus
Ground snake	Sonora semiannulata
Southwestern blackhead snake	Tantilla hobartsmithi
Plains blackhead snake	Tantilla nigriceps	H
Blackneck garter snake	Thamnophis cyrtopsis
Western terrestrial garter snake	Thamnophis elegans	H
Plains garter snake	Thamnophis radix	H
Common garter snake	Thamnophis sirtalis	H
Lined snake	Tropidoclonoin lineatum	*

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