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Thomas Hill
Provides detailed information on birding sites on this island archipelago off the coast of Morocco
conservationists
Although relatively rare
' Collective nouns for specific types of birds range from fascinating to funny
Ravens in Winter Thomas HillExplains a fascinating change in behavior with the change of the seasons. 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 rules of evolutionary biology. Yet the more biologist Bernd Heinrich observed these intelligent corvids, the more fascinating the puzzle became. In Ravens in Winter, Heinrich presents the groundbreaking ornithological
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