Venomous snakes seldom attack humans, yet it's all too simple to inadvertently invade their territory.
The cottonmouth is a poisonous snake found in North America.
Threats from timber rattlesnakes include: They are big, have long fangs, and a lot of venom that they may squirt into their victim at once.
Fortunately, the tiger only lives in a tiny region along the Arizona-Mexico border.
Eastern coral snakes are shy and infrequently seen, which is good news for hunters and hikers in the Southeast
A coral snake's venom may kill five humans at once, yet most protective bites only inject a trace quantity.
It is also the sole cause of snake-related mortality in Mexico, and second in the United States.