How do animals survive in planet Earth's most extreme regions? Snow, ice, and subzero temps make the North and South Poles nearly impossible places to live. But several animals from musk oxen to penguins call these regions home. Find out how their amazing behaviors and body parts have adapted to these harsh conditions.
(Tags : Polar Animal Adaptations: Amazing Animal Adaptations (Unabridged) Lisa J. Amstutz Audiobook, Lisa J. Amstutz Audio CD )
