A hognose snake rolls over and plays dead--that is, if its hissing, lunging, puffed up-body and flattened neck fail to frighten away the intruder.

A female armadillo always produces quadruplets, always the same sex.

Contrary to popular belief, a Porcupine can't shoot any of its 30,000 quills.

Crows are not your typical birdbrain: they can count.

The delectable black walnut is diabolically hard to crack. Some people even resort to running over them with a car.