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Checkered Gartersnake - Thamnophis marcianus

Marcy's Checkered Gartersnake -
Thamnophis marcianus marcianus

(Baird and Girard, 1853)
Species Description

range map

observation link

  Adult, Starr County, Texas  
Juvenile, Webb County, Texas Adult, in flooded ditch at night, Willacy County, Texas  
Habitat, Willacy County, Texas Habitat, Webb County, Texas  

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