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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
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Ground Snake
(Sonora semiannulata)

Ground Snake

Family Colubridae

Photo from Hammerson, 1986.
Used with permission.
Listed as Sonora episcopa in some publications.

Last Updated on January 20, 2000.

Ground Snake (Sonora semiannulata)   Range Map
Color Key
Description:
Adults 10" to 15" in length. Color light brown, gray, or reddish, usually with dark to black crossbands. Moderately slender body, with smooth scales. Divided anal plate.
Elevation Range:
Below 5500' in southeastern Colorado.

Ground Snake
(Sonora semiannulata)
CountyRef. CountyRef. CountyRef. CountyRef.
Adams  Dolores  La Plata  Pitkin 
Alamosa  Douglas  Lake  Prowers 
Arapahoe  Eagle  Larimer  Pueblo * 
Archuleta  El Paso  Las AnimasH Rio Blanco 
BacaH Elbert *  Lincoln  Rio Grande 
BentH Fremont  Logan  Routt 
Boulder  Garfield  Mesa  Saguache 
Chaffee  Gilpin  Mineral  San Juan 
Cheyenne  Grand  Moffat  San Miguel 
Clear Creek  Gunnison  Montezuma  Sedgwick 
Conejos  Hinsdale  Montrose  Summit 
Costilla  Huerfano  Morgan  Teller 
Crowley *  Jackson  OteroH Washington 
Custer  Jefferson  Ouray  Weld 
Delta  Kiowa *  Park  Yuma 
Denver  Kit Carson  Phillips 

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