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 bear genome reveals rapid adaptation to fatty diet

A comparison of the genomes of polar bears and brown bears reveals that the polar bear is a much younger species than previously believed, having diverged from brown bears less than 500,000 years ago.

Ancient European bear had unusually large penis bone

(Phys.org) —Researchers working at Spain's Batallones-3 dig site in the area of Cerro de los Batallones have unearthed five baculum (os penis) that once belonged to five now extinct examples of a species of bear classified ...

Ancestry of polar bears traced to Ireland

An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of the last ice age ...

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