Explore the world's deadliest snakes, including the North America's Eastern Diamondback Rattlesnake, South America's ...
the cottonmouth viper is native to the Southeastern United States, typically in or near water. This semi-aquatic snake is a strong swimmer and can attain speeds of about 7 mph (11 kph) on both ...
One interesting feature of these Old World vipers is that horned and hornless offspring can occur within the same population. The Arabian horned viper (Cerastes gasperettii) is a venomous snake ...