In the animal kingdom, survival is the name of the game--and not everything is as it seems. A number of animals rely on particularly clever tricks to fool predators or prey. A baby bird mimics a poisonous caterpillar. A moth escapes bats by making sounds that interfere with the bats' echolocation. A tiny rain forest spider builds a big spider "puppet" out of bits of dead leaves, insect parts, and other items. Find out more about some of nature's...