Forum > Birds In The News > Mate Choices Of Barn Swallows Tied To Diverging Appearances

Webmaster Posted 15-Aug-2016 09:45
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From Science Daily on 15-Aug-2016 09:45

If you are a male barn swallow in the United States or the Mediterranean with dark red chest feathers, you're apt to wow potential mates. But if you have long outer tail feathers in the United States, or short ones in the Mediterranean, the females may not be so impressed.


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