CANADA - AUGUST 27:  The wild animals featured in "The Last trapper" a film by Nicolas Vanier - Porcupine caribou herd - Unlike many deer, caribou females also have antlers - Sometimes called the Canadian reindeer, the caribou epitomizes the Arctic North - No other North American mammals have such spectacular, complex migration patterns or move in such huge numbers - Canada and Alaska are home to the last great caribou herds - The Porcupine herd migrates between the calving plains of North Yukon and Alaska and the wintering grounds of Mount Richardson and Mount Ogilvie - Although herd sizes vary from year to year, the core number is around 165,000 individuals - The caribou is the most common hoofed mammal in the Yukon in British Columbia, Canada on August 27, 2004  (Photo by Eric TRAVERS/Gamma-Rapho via Getty Images)