Polar bears : the natural history of a threatened species / Ian Stirling.

Comprehensive study of the polar bear: their evolution, life history, behavior, how they are researched, and the current threat to their very existence.

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Bibliographic Details
Main Author: Stirling, Ian
Format: Book
Language:English
Published: Markham, Ont. ; Brighton, Mass. : Fitzhenry & Whiteside, c2011.
Subjects:

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