Caribou crossing the frozen Porcupine River upstream from Old Crow in the Yukon Territory became trapped when the river’s ice began breaking up. A group of caribou is trapped on an ice floe on the ...

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 ...

Several caribou herds in Alaska's Arctic are on the decline. That now includes the Porcupine herd, which is the largest. Biologists say the reasons for the downward trends are hard to pin down. Alaska ...

Caribou move along barren ground in northern Canada. The Bathurst caribou population has declined from 400,000 to less than 4,000 over the last 30 years, according to new surveys by the government of ...