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caribouandcalf

Porcupine caribou mother and calf, by Peter Mather


Every year, the Porcupine caribou herd embarks on the longest land mammal migration in the world, covering over 2400 kilometers from the Northwest Territories, Yukon and into Alaska. This incredible journey takes them through what is still a significantly intact landscape of the Arctic.

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Arctic Refuge Factsheet

The Arctic National Wildlife Refuge is known as ‘America’s Serengeti.’ Great congregations of caribou gather on the Coastal Plain to give birth to their calves. Polar bears nurse cubs in dens dug into the Refuge’s snows. Birds migrate to the Arctic Refuge from every continent on earth.