Nebraska
Snakes in Knox County
19 species have been documented here, 2 of them venomous.
Venomous snakes in Knox County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Knox County
Common Garter Snake
Thamnophis sirtalis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Foxsnake
Pantherophis ramspotti
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Lined Snake
Tropidoclonion lineatum
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.