A Natural and Unnatural History of the Polar Bear
by
Kieran Mulvaney
Language: English
Release Date: January 12, 2011
Polar bears are creatures of paradox: They are white bears whose skin is black; massive predators who can walk almost silently; Arctic residents whose major problem is not staying warm, but keeping cool. Fully grown they can measure 10 feet and weigh close to 2,000 pounds, but at birth they are just...