The state's Central Arctic herd, which roams an area of north-central Alaska about the size of Ohio, hit a peak of about 70,000 caribou in 2010. It fell to 50,000 in 2013.

Canada Using AI to protect caribou migration in a changing Arctic A machine learning tool is offering new hope for one of Canada’s most vulnerable caribou migrations.

DNA from ancient frozen caribou bones found in the Yukon suggests caribou herds in the area were displaced by a volcanic eruption 1,000 years ago. Most woodland caribou herds in Canada are ...

The Western Arctic Caribou Herd has been declining at a rate of 4 to 6 percent a year since the population peaked in 2003 at 490,000 animals, said Jim Dau, a Kotzebue-based biologist with the ...

LONDON A new artificial intelligence (AI) tool can help predict and protect the migration routes of endangered caribou in the Arctic, according to a new report released on Thursday.

Caribou herds crash because of disease, competition for food, harsh or changing weather, predation, and overhunting. The Western Arctic herd numbered about 240,000 in 1970 before falling to 75,000 ...

The team tracked the herd's movements and deaths as it traveled across a region spanning more than 360,000 square kilometers in northwest Alaska for 11 years, from 2009 to 2020.