Texas
Snakes in Refugio County
26 species have been documented here, 3 of them venomous.
Venomous snakes in Refugio County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy 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.
Every snake recorded in Refugio County
Western Ribbon Snake
Thamnophis proximus
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
DeKay's Brownsnake
Storeria dekayi
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Rough Earthsnake
Virginia striatula
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Saltmarsh Snake
Nerodia clarkii
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Texas Coralsnake
Micrurus tener
Venomous
Schott's Whipsnake
Masticophis schotti
Harmless
North American Racer
Coluber constrictor
Harmless
Mississippi Green Watersnake
Nerodia cyclopion
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Mudsnake
Farancia abacura
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Central American Indigo Snake
Drymarchon melanurus
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Refugio County: FAQ
- Are there venomous snakes in Refugio County, Texas?
- Yes. 3 venomous snake species have verified records in Refugio County, Texas, including Northern Cottonmouth, Western Diamond-backed Rattlesnake, Texas Coralsnake. Most snakes in Refugio County, Texas, however, are harmless.
- How many snake species live in Refugio County, Texas?
- 20+ snake species have verified records in Refugio County, Texas, of which 3 are venomous.
- What is the most commonly seen snake in Refugio County, Texas?
- The Western Ribbon Snake is the most frequently reported snake in Refugio County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Refugio County, Texas?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.