Oklahoma
Snakes in Harper County
15 species have been documented here, 3 of them venomous.
Venomous snakes in Harper 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.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Harper County
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Glossy Snake
Arizona elegans
Harmless
North American Racer
Coluber constrictor
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Harper County: FAQ
- Are there venomous snakes in Harper County, Oklahoma?
- Yes. 3 venomous snake species have verified records in Harper County, Oklahoma, including Prairie Rattlesnake, Western Massasauga, Western Diamond-backed Rattlesnake. Most snakes in Harper County, Oklahoma, however, are harmless.
- How many snake species live in Harper County, Oklahoma?
- 10+ snake species have verified records in Harper County, Oklahoma, of which 3 are venomous.
- What is the most commonly seen snake in Harper County, Oklahoma?
- The Gopher Snake is the most frequently reported snake in Harper County, Oklahoma, based on verified wildlife observations.
- What should I do if I see a venomous snake in Harper County, Oklahoma?
- 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.