If you walk through a forest anywhere in North America, you're likely to hear the scolding chatter of a tree Squirrel. These lively creatures are among our most popular and visible wild animals. We watch Squirrels, in city parks or in our backyards, collecting nuts and acorns to store for the Winter. But how much do we really know about their life in the wild? From the tiny Red Squirrel to the handsome husky Fox Squirrel, these tree-top acrobats come in a wide range of sizes and colors. Let's take a look at the unusual and often unseen behavior of these "BUSHYTAILS."