The first Ice Age movie hit theaters in 2002—and with it came the cinematic debut of “Scrat," an accident-prone saber-toothed squirrel with an insatiable lust for acorns (as of this writing, the manic critter’s Facebook page has netted more than 12,000 “likes”). Although Scrat is a fictitious animal, these distinctive canines were donned by a vast array of prehistoric creatures from cats and marsupials to deer and even salmon. Here are eight of the most unusual.... READ ON