All Formats & Editions
Ravens in Winter
"One of the most interesting discoveries I've seen in animal sociobiology in years." --E.O. Wilson Why do ravens, often considered solitary birds, share food with one another in the harsh months of winter? At first glance, the behavior seemed to defy the...
Ravens in Winter
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...
Ravens in Winter
A fascinating and important work of ornithology, which led E.O. Wilson to call it "one of the most interesting discoveries I've seen in animal sociobiology in years," Ravens In Winter is a scientist's impassioned study to understand the mysterious social habits of one of nature's...
![Die Seele der Raben. [German] 347177887X Book Cover](https://m.media-amazon.com/images/I/41Y2EIfW1oL._SL500_.jpg)
Die Seele der Raben. [German]
ThriftBooks ® and the ThriftBooks ® logo are registered trademarks of Thrift Books Global, LLC
