Texas
Snakes in Grimes County
29 species have been documented here, 6 of them venomous.
Venomous snakes in Grimes County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Broad-banded CopperheadAgkistrodon laticinctusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Grimes County
Eastern Copperhead
Agkistrodon contortrix
Venomous
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
North American Racer
Coluber constrictor
Harmless
Texas Coralsnake
Micrurus tener
Venomous
Rough Earthsnake
Virginia striatula
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Western Milksnake
Lampropeltis gentilis
Harmless
Mudsnake
Farancia abacura
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Broad-banded Copperhead
Agkistrodon laticinctus
Venomous
Louisiana Pinesnake
Pituophis ruthveni
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.