Nature's Great Race

Next on Episode 2 | Caribou

Preview: Episode 2 | 30s | Video has closed captioning.

A hundred thousand caribou must face hungry bears and wolves, deadly frozen rivers and rugged mountains as they undertake the world's longest land migration - 3,000 miles through the frozen Arctic wilderness of Canada and Alaska.

Aired: 07/19/17

Rating: TV-PG

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Problems Playing Video? | Closed Captioning