which type of snakes are poisonous
Know the snakes. There are four different types of venomous snakes in the United States: cottonmouths, rattlesnakes, copperheads and coral snakes. 2. Cottonmouths. The cottonmouths have elliptical pupils and range in color from black to green. They have a white stripe along the side of their heads.
Venomous snake. Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which is used primarily for immobilizing prey and defense mostly via mechanical injection by fangs. Common venomous snakes include the families Elapidae, Viperidae, Atractaspididae, and some of the Colubridae.
Looking at a snakes eyes is not a valid way to identify if it is venomous or not. Cobras, Black Mamba's and other types of very venomous snakes have round pupils, while red tailed boas, emerald tree boas and green tree pythons have elliptical eyes.
[RELATED: 58 spiders in Alabama you should know] Alabama is home to six venomous snakes. The Eastern Coral Snake, Copperhead, Cottonmouth, Eastern Diamondback, Timber Rattlesnake and Pygmy Rattlesnake. the eastern coral snake packs the most potent venom of all.