In the harsh Arctic tundra, survival runs on a strict budget of calories and minerals, and every nutrient matters. Yet female reindeer and caribou invest precious energy into growing something that ...

Caribou mothers gnaw on their own antlers for nutrition after their long migration in the cold and dry climate of the Arctic tundra, a new study reveals. Caribous, also called reindeer, are the only ...

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 ...

New research suggests female reindeer antlers serve as postpartum snacks, with new moms munching on them after giving birth to get a much-needed boost of protein, calcium and phosphorus ...

Biologists have long wondered why caribou are the only deer in the world in which females—like males—have antlers. A study of shed antlers collected from calving grounds in the Arctic National ...

Caribou have been using the same Arctic calving grounds for more than 3,000 years. Female caribou shed their antlers within days of giving birth, leaving behind a record of their annual travels across ...

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 ...

State game managers reduced bag limits for subsistence and nonresident hunters this week to preserve the declining Western Arctic Caribou Herd. The Alaska Board of Game concluded its meeting in ...

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 ...

Caribou have been using the same Arctic calving grounds for more than 3,000 years, according to a new study by the University of Cincinnati. Female caribou shed their antlers within days of giving ...

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 ...