Two bull caribou of the Western Arctic Caribou Herd swimming across the Kobuk River during fall 2011 migration in Kobuk Valley National Park. The herd has been in decline since hitting its peak ...

A new study highlights the importance of caribou and muskoxen to the greening Arctic tundra, linking grazing with plant phenology and abundance in the Arctic tundra. The story of Arctic greening has ...

A CRUDE SHELTER in a vast winter landscape, the conspicuous lump on the tundra resembles a misshapen, man-made boulder. Its bright blue shell luffs like a loose sail and shudders in the wind. One end ...

Gut parasites in large plant eaters like caribou thrive out of sight and somewhat out of mind. But these tiny tummy tenants can have big impacts on the landscape that their hosts travel through.

The Western Arctic Caribou Herd, once the biggest in Alaska, is faltering, having fallen from a high of 490,000 animals in 2003 to only 152,000 as of 2023. But to the east, the Porcupine Caribou Herd ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Postal Service issued a souvenir ...

A group of muskoxen gather on the Arctic tundra near Kangerlussuaq, Greenland. (Jeff Kerby) The story of Arctic greening has overlooked some main characters. At center stage are climate change and ...

The story of Arctic greening has overlooked some main characters. At center stage are climate change and warming temperatures. Meanwhile, large grazing wildlife, such as caribou and muskoxen, also ...