South Dakota
Snakes in Brown County
3 species have been documented here, and none are venomous.
Every snake recorded in Brown County
Plains Garter Snake
Thamnophis radix
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Brown County: FAQ
- Are there venomous snakes in Brown County, South Dakota?
- No venomous snakes have verified records in Brown County, South Dakota. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Brown County, South Dakota?
- 3 snake species have verified records in Brown County, South Dakota.
- What is the most commonly seen snake in Brown County, South Dakota?
- The Plains Garter Snake is the most frequently reported snake in Brown County, South Dakota, based on verified wildlife observations.