yes, unfortuneately.

Polar bears are not endangered, but many Arctic species are, such as the woodland caribou, and musk oxen.

Yes it is considered to be endangered, and has been a protected species since it was included in the Endangered Species Act of 1983. There has been some talk of removing the caribou from the list, but thus far, it has not happened.

No, the caribou as a species is not an endangered species. However, some regional populations are endangered. But as a species, they are listed as Least Concern by the IUCN.

The American reindeer, especially the common or woodland species (Rangifer Caribou).