Why Polar Bears Don't Eat Penguins - 0 views
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Kimberly Lightle on 29 Apr 09Mammals 101 - hair, milk, three bones in the inner ear
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Kimberly Lightle on 29 Apr 09Dr. Ross MacPhee, curator and researcher at the American Museum of Natural History provides content background on polar mammals past and present, explains basic adaptations of Arctic mammals, and discusses current means of studying mammals in the field. [10:43]