How polar bears hollow out walrus carcasses on Alaska beaches

Drones track walrus herds on remote Alaska beaches.

The USGS explains how sudden stampedes cause deadly trampling in walrus herds and how drone surveys help assess population impacts under marine protection laws.

Why USGS Drones Track Walrus Trampling Events

A polar bear hollowed this carcass out from the inside.

Scientists document how polar bears scavenge dead walrus calves on shore, eating nearly all the meat and bone through the face while leaving the entire outer pelt intact.

Polar Bear Leaves Behind an Intact Walrus Skin

[00:03] Why USGS Drones Track Walrus Trampling Events
[00:51] Polar Bear Leaves Behind an Intact Walrus Skin

How polar bears hollow out walrus carcasses on Alaska beaches

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