Barren-ground caribou in the North American Arctic are known to complete one of the most dramatic migrations, with herds numbering in the hundreds of thousands, including pregnant females ...

Arctic National Wildlife RefugeCaribou ... trimmed in cobalt blue; the buff brown tundra of coastal plain, dotted with caribou; the rolling foothills rising into the mighty Brooks Range, sparkling ...

Climate change has already been linked to lower survival or population declines of Arctic species from the sea-ice dependent polar bear, to the glacier-affiliated Kittlitz’s murrelet, to the ...

Dozens of wolverines trapped on the tundra by researchers ... In Alaska’s Arctic National Wildlife Refuge, a wolverine feeds on a caribou killed after being chased over a cliff by wolves.

Polar bears, caribou, arctic hares, and more! Advertisement All the Latest Game Footage and Images from Tyto Ecology: Alaskan Tundra Ecosystem The Alaskan tundra comes with 23 new species of ...