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Check for Availabilityout of stock. Click on the button below to search for this title in other formats. Ravens in Winter
Synopses & ReviewsPublisher Comments: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. Description:Includes bibliographical references (p. 337-354) and index. What Our Readers Are SayingAdd a comment for a chance to win!Average customer rating based on 1 comment:![]() ![]() ![]() ![]()
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