A Mojave rattlesnake bite is a full-on emergency. Here's where Mojave rattlesnakes live, why they are so venomous and what happens if you get bitten.

Learn about the eyelash palm-pitviper of Costa Rica, a vividly colored venomous snake with unique “eyelash” scales.

Copperheads feed on small mammals, frogs, lizards, birds and insects, such as cicadas, according to a University of Kentucky profile of the snake species. Areas that attract rodents could also be a ...