Two new additions to the popular Our Wild World series cover a pair of nature's most fascinating arctic animals. There are 33 species of seals, including sea lions and walruses, and they live all over the world. Because seals can store oxygen in their muscles, they can dive deep and stay underwater for an average of 20 minutes at a time. One seal was recorded diving underwater for two hours and reached a depth of 5,500 feet! Polar Bears are the largest members of the bear family. Males can stand up to 10 feet tall, and can ...

Seals 2007, Cooper Square Pub

ISBN-13: 9781559718271

Hardcover

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Seals 2002, Cooper Square Pub

ISBN-13: 9781559718264

Trade paperback

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Seals 2002, Turtleback Books

ISBN-13: 9780613558952

Turtleback School & Library edition

Hardcover

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