North Dakota
Snakes in Oliver County
3 species have been documented here, and none are venomous.
Every snake recorded in Oliver County
Gopher Snake
Pituophis catenifer
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.