List of snakes of Connecticut facts for kids

Connecticut is home to 15 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 non-venomous Brahminy blind snake (Indotyphlops braminus) was introduced from Southeast Asia and has established a viable population in Connecticut. The Copperhead (Agkistrodon contortrix mokasen) and Timber rattlesnake (Crotalus horridus) are venomous. 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.

Snakes

Scientific Name	Common name(s)	Image	Notes
Coluber constrictor constrictor	Northern Black Racer
Agkistrodon contortrix mokasen	Northern Copperhead		Venomous
Storeria dekayi dekayi	Northern Brown Snake / Dekay's Brownsnake
Pantherophis alleghaniensis / Elaphe alleghaniensis	Eastern Ratsnake
Thamnophis sirtalis sirtalis	Eastern Garter Snake
Heterodon platirhinos	Eastern Hognose Snake
Lampropeltis triangulum triangulum	Eastern Milksnake
Nerodia sipedon sipedon	Northern Water snake
Storeria occipitomaculata occipitomaculata	Northern Redbelly Snake
Thamnophis sauritus sauritus	Eastern Ribbonsnake
Diadophis punctatus edwardsii	Northern Ringneck Snake
Opheodrys vernalis / Liochlorophis vernalis	Smooth Green snake
Crotalus horridus	Timber Rattlesnake / cane-brake rattlesnake		Venomous
Carphophis amoenus amoenus	Eastern Worm Snake
Indotyphlops braminus	Brahminy Blind Snake / Flowerpot Snake