Blane Klemek column: For birds, flocking serves dual purposes
One of the most interesting aspects of birds is their flocking behavior. Of course it isn’t just birds that flock; other animals also gather together in large numbers. Over the African Serengeti, for example, great herds of wildebeest stretching endlessly across the landscape hearken to a bygone era when 60 million American bison once roamed the New World’s Great Plains.
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