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 ...
Spider-tailed horned vipers typically exhibit a camouflage pattern, blending seamlessly with their arid desert surroundings to ambush unsuspecting prey. Like many venomous snakes, the spider-tailed ...