Nebraska
Snakes in Jefferson County
16 species have been documented here, 2 of them venomous.
Venomous snakes in Jefferson County
Full guide & what to do if bitten →
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Jefferson County

Lined Snake
Tropidoclonion lineatum
Harmless

Western Milksnake
Lampropeltis gentilis
Harmless

Western Massasauga
Sistrurus tergeminus
Venomous

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

North American Racer
Coluber constrictor
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Plains Garter Snake
Thamnophis radix
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

DeKay's Brownsnake
Storeria dekayi
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Graham's Crawfish Snake
Regina grahamii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.