The Caribou inhabits tundra, taiga, and subalpine regiions and dense, moist coniferous forests of western Alaska.  They eat leaves, herbs, sedges, fungi and lichens.  They are also known as Barren Ground Caribou, the largest of the New World deer.  They are also referred to as "reindeer" in Europe.  Bulls live for 6-8 years, while cows live over 10 years. 

A single calf is born after a gestation period of 228 days, and is weaned at 6 months.