Texas
Snakes in Castro County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Castro County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Castro County
Checkered Garter Snake
Thamnophis marcianus
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Pine Snake
Pituophis melanoleucus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.