Polar bear den

Photo By/Credit

USFWS

Media Usage Rights/License

Public Domain

Image

The remains of a polar bear den. While black and brown bears hibernate for several months each year, polar bears den in winter only when pregnant.

Facility

Arctic National Wildlife Refuge

Ecosystem

Tundra

Species

Ursus maritimus

Subject tags

Carnivores

Endangered and/or Threatened species

Marine mammals

Snow

Tundra

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