Cottonmouths (Agkistrodon piscivorus), or water moccasins, are venomous snakes found in the southeastern United States. They're called cottonmouths because the insides of their mouths, which they ...

Cottonmouths and water moccasins are not two different snakes. They are two common names for the same venomous species, Agkistrodon piscivorus, a semi-aquatic pit viper found in parts of the ...

Spotting a snake by a pond, stream, or even your backyard may seem scary. Often people mistake harmless water snakes with venomous copperheads as both animals have brown or reddish patterns. This may ...