Every three days for two weeks, researchers carried a ladder through Monkey Run to climb ... are more likely to use shed ...

One defense strategy that birds might employ involves draping their nests with snake skin ... and 80 inactive American robin ...

Introduction • Key vocabulary: zoo, monkeys, camels, wolves, snakes, meerkats, parrots, kangaroos • Listen all around: Cat invites the listeners to guess the sounds and the location ...