![]() ![]() ![]() The more Heinrich observed their habits, the more odd the bird's behavior became. There was no biological imperative, it seemed, to their communal spirit. From an evolutionary perspective, the raven's willingness to share food challenged conventional wisdom. Ravens In Winter Audio Cassette Apby Bernd Heinrich (Author) 163 ratings 4.2 on Goodreads 941 ratings eTextbook 14.99 Read with Our Free App Hardcover 11.99 34 Used from 5.99 2 New from 55.89 3 Collectible from 19.95 Paperback 12.07 - 15.39 24 Used from 7.58 19 New from 13. And it was during these trips to Maine, the site of much of his research, where he first noticed this "unusual" behavior of ravens. ![]() Why do ravens, generally understood to be solitary creatures, share food between each other during winter? This was the question Bernd Heinrich asked himself as he was observing another one of his prime research subjects, the highly social bumblebee. 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 most formidable birds, the raven. Summary: A fascinating and important work of ornithology, which led E.O. ![]()
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