Long, Sexy Tails Not A Drag On Male Birds
Wednesday, March 18, 2009 - 09:39
in Biology & Nature
At least two dozen hummingbirds, not to mention hundreds of other birds, sport long tails to attract females. But don't these tails get in the way? By attaching long streamer tails to short-tailed Anna's hummingbirds and testing their wind tunnel flying, researchers show that long-tailed males expend little extra energy to attract the attention of admiring females.
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