The Borderlands

S1, E1: In springtime, a narrow corridor in the Canadian Rockies known as the Kootenays is the only area where 16 of North America's native carnivore species come together. It's bad news for the native elk, moose, and caribou--all are aware of this seasonal threat and work hard to ensure they and their young remain one step ahead of danger. Witness the dramatic struggle for survival.