Snakes in Connecticut

Connecticut has just 15 snake species, of which two are venomous. The timber rattlesnake, known for its unique chevron pattern and immensely toxic venom, rarely occurs in Connecticut and is listed as endangered. The eastern ratsnake, eastern hog-nosed snake, and eastern ribbon snake are all of special concern and at risk of endangerment. 

Snakes in Connecticut (CT)
GroupsVenomousNon-venomous
Pit VipersNorthern Copperhead
RattlesnakesTimber Rattlesnake
Garter SnakesEastern Garter Snake
Eastern Ribbon Snake
KingsnakesEastern Milksnake
Northern Ringneck Snake
Hognose SnakesEastern Hog-nosed Snake
Water SnakesCommon Watersnake
Pantherophis Eastern Ratsnake
IndotyphlopsBrahminy Blind Snake
CarphophisEastern Worm Snake
ColuberNorthern Black Racer
StoreriaDeKay’s Brownsnake
Northern Redbelly Snake
OpheodrysSmooth Green Snake

Snakes by Colors and Patterns

Black Snakes: Northern Black Racer, Eastern Ratsnake, 

Snakes by Regions

Most of the snakes inhabiting the state is found throughout Connecticut and are not native of any particular region.

Quick Information

Largest Snake: Eastern Ratsnake

Smallest Snake: Brahminy Blindsnake

Most Venomous Snakes: Timber Rattlesnake, Northern Copperhead