New York
Snakes in Tompkins County
13 species have been documented here, and none are venomous.
Every snake recorded in Tompkins County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

North American Racer
Coluber constrictor
Harmless

Scarlet Kingsnake
Lampropeltis elapsoides
Harmless

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