Wolfing it down: Brown bears reduce wolf kill rates

If you've ever been elbowed out of the way at the dinner table by older, stronger siblings, you'll identify with wolves competing with larger bears for food. A study by Utah State University ecologist Aimee Tallian and colleagues ...

Polar bears losing crucial sea ice: study

Polar bears are losing life-sustaining sea ice crucial for hunting, resting and breeding in all 19 regions of the Arctic they inhabit, a study warned on Wednesday.

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