List of snakes of Connecticut

Connecticut is home to 14 species of snakes and only two are venomous. The Black racer (Coluber c. constrictor), Dekay's brownsnake (Storeria d. dekayi), Eastern ratsnake (Pantherophis obsoletus), Garternake (Thamnophis s. sirtalis), Hog-nosed snake (Heterodon platirhinos), milk snake (Lampropeltis t. triangulum), northern watersnake (Nerodia sipedon sipedon), redbelly snake (Storeria o. occipitomaculata), ribbonsnake (Thamnophis sauritus), ring-necked snake (Diadophis punctatus edwardsii), smooth greensnake (Liochlorophis vernalis) and worm snake (Carphophis a. amoenus)) are non-venomous. The Copperhead (Agkistrodon contortrix mokasen) and Timber rattlesnake (Crotalus horridus) are venomous.^[1] In the state of the Connecticut, the Timber rattlesnake is listed as endangered and Eastern ratsnake is regulated with both the Ribbonsnake and Hog-nosed snake as of special concern.^[2]

Snakes

Scientific Name	Common name(s)	Image	Notes
Coluber constrictor constrictor[2]	Black Racer / Eastern Racer[2]
Agkistrodon contortrix mokasen[2]	Copperhead[2]		Venomous[2]
Storeria dekayi dekayi[2]	Northern Brown Snake / Dekay's Brownsnake[2]
Pantherophis obsoletus / Elaphe obsoleta obsoleta / Elaphe alleghaniensis[2]	Eastern Ratsnake[2] / Black Rat Snake
Thamnophis sirtalis sirtalis[2]	Garternake / Common Gartersnake[2]
Heterodon platirhinos[2]	Hog-nosed Snake / Eastern Hog-nosed Snake[2]
Lampropeltis triangulum triangulum[2]	Milksnake[2]
Nerodia sipedon sipedon[2]	Northern Watersnake[2]
Storeria occipitomaculata occipitomaculata[2]	Red-bellied Snake[2]
Thamnophis sauritus[2]	Ribbonsnake / Eastern Ribbonsnake[2]
Diadophis punctatus edwardsii[2]	Ring-necked Snake[2]
Opheodrys vernalis[2] / Liochlorophis vernalis	Smooth Greensnake[2]
Crotalus horridus[2]	Timber Rattlesnake[2]		Venomous[2]
Carphophis amoenus amoenus[2]	Worm Snake / Eastern Wormsnake[2]

References