Short-faced Bear (Arctodus simus) reproduction sculpture - an extinct bear that inhabited North America during the Pleistocene epoch from about 1.8 Mya until 11,000 years ago.

Design and Illustration for Pleistocene (Ice Age) specimens and fossils, natural history museum signage.

Prehistoric Cave Bear

Relative sizes of the extinct short-faced bear, polar bear, and brown bear.

The extinct cave bear (Ursus spelaeus) had a wider heads than today’s bears and powerful shoulders and forelimbs. Males weighed up to 1,500 pounds, considerably more than the largest modern grizzlies.