Connecticut
Snakes in New London County
11 species have been documented here, 1 of them venomous.
Venomous snakes in New London County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in New London County
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Common Ribbon Snake
Thamnophis saurita
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in New London County: FAQ
- Are there venomous snakes in New London County, Connecticut?
- Yes. 1 venomous snake species has verified records in New London County, Connecticut, including Eastern Copperhead. Most snakes in New London County, Connecticut, however, are harmless.
- How many snake species live in New London County, Connecticut?
- 11 snake species have verified records in New London County, Connecticut, of which 1 is venomous.
- What is the most commonly seen snake in New London County, Connecticut?
- The Common Garter Snake is the most frequently reported snake in New London County, Connecticut, based on verified wildlife observations.
- What should I do if I see a venomous snake in New London County, Connecticut?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.