D-den at surface-big.jpg

A hole into an empty polar bear den in the snow, with bear tracks leading away, showing

Media Usage Rights/License

Public Domain

Image

An empty polar bear den viewed from the snowy surface, with an excavated exit hole and bear tracks, made by the bears when they departed.

Facility

Arctic National Wildlife Refuge

Ecosystem

Tundra

Species

Ursus maritimus

Subject tags

Marine mammals

Snow

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