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Paperback

Ravens in Winter

$39.99
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Why should ravens–which are usually solitary birds–share valuable food in the dead of winter? How clever are these birds? Do they have a language? These are some of the riddles that noted sociobiologist Bernd Heinrich, author of Bumblebee Economics and winner of the John Burroughs Medal, explores in this intriguing book. 16 pages of drawings.

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MORE INFO
Format
Paperback
Publisher
Random House USA Inc
Country
United States
Date
1 October 1991
Pages
379
ISBN
9780679732365

Why should ravens–which are usually solitary birds–share valuable food in the dead of winter? How clever are these birds? Do they have a language? These are some of the riddles that noted sociobiologist Bernd Heinrich, author of Bumblebee Economics and winner of the John Burroughs Medal, explores in this intriguing book. 16 pages of drawings.

Read More
Format
Paperback
Publisher
Random House USA Inc
Country
United States
Date
1 October 1991
Pages
379
ISBN
9780679732365