New Hampshire
Snakes in Coos County
3 species have been documented here, and none are venomous.
Every snake recorded in Coos County

Common Garter Snake
Thamnophis sirtalis
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Coos County: FAQ
- Are there venomous snakes in Coos County, New Hampshire?
- No venomous snakes have verified records in Coos County, New Hampshire. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Coos County, New Hampshire?
- 3 snake species have verified records in Coos County, New Hampshire.
- What is the most commonly seen snake in Coos County, New Hampshire?
- The Common Garter Snake is the most frequently reported snake in Coos County, New Hampshire, based on verified wildlife observations.