CaliforniaHerps.com

A Guide to the Amphibians
and Reptiles of California





Range Maps for California Gartersnakes

 






California Gartersnakes ID

Key to California Gartersnakes




observation link

 

Range Map Range Map Range Map
Aquatic Gartersnake Terrestrial Gartersnake Common Gartersnake
 
Red: Thamnophis atratus atratus -
 Santa Cruz Gartersnake


Orange: Thamnophis atratus hydrophilus - Oregon Gartersnake

Light Blue: Thamnophis atratus zaxanthus - Diablo Range Gartersnake

Gray: T. a. hydrophilus x T. a. atratus x T. a. zaxanthus Intergrades

Dark Blue: T. a. atratus x T. a. zaxanthus intergrades

 
Red: Thamnophis elegans elegans -
 Mountain Gartersnake

Purple: Thamnophis elegans terrestris -
 Coast Gartersnake


Blue: Thamnophis elegans vagrans -
 Wandering Gartersnake

Gray: General area of intergradation



Orange: Thamnophis sirtalis fitchi -
 Valley Gartersnake


Red: Thamnophis sirtalis infernalis-
 California Red-sided Gartersnake

Purple: South Coast Gartersnake

Blue: Thamnophis sirtalis tetrataenia-
San Francisco Gartersnake




range map range map range map
Two-striped Gartersnake
Thamnophis hammondii

Sierra Gartersnake
Thamnophis couchii
Giant Gartersnake
Thamnophis gigas
range map range map  
Northwestern Gartersnake
Thamnophis ordinoides
Marcy's Checkered Gartersnake
Thamnophis marcianus marcianus
 
     


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