Youve heard of being a copycat, but what about a copyflap? Thats apparently just what birds are doing when flying in a V-formation, something thats frequently seen when giant flocks migrate across the skies each year. A new study conducted by Nature suggests birds keep an eye on the leader, as well as their place in a formation, matching their flaps to ride waves of thin, spiraling air sent off by the lead bird and those who follow. …
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