Tennessee
Snakes in Knox County
23 species have been documented here, 2 of them venomous.
Venomous snakes in Knox 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.
Every snake recorded in Knox County
Gray Ratsnake
Pantherophis spiloides
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Black Kingsnake
Lampropeltis nigra
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Queensnake
Regina septemvittata
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Eastern Milksnake
Lampropeltis triangulum
Harmless
Mole Kingsnake
Lampropeltis rhombomaculata
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Scarletsnake
Cemophora coccinea
Harmless
Scarlet Kingsnake
Lampropeltis elapsoides
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.