City Birds Sing Louder, Faster

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Seems like big city life is faster, even for the birds. A European survey of songbirds has found that city birds sing louder than their country brethren. City birds tweeted faster, and preferred to sing songs that were shorter in duration than birds from the ‘burbs. (Maybe all the urban excitement reduces their attention span?) The study also revealed that songbirds prefer to mate with birds who sing similar songs: so country birds are attracted to the slow, longer, lower-pitched songs, and city birds want a mate who can belt it out high and fast and loud. The scientists have theorized that avians in urban areas sing at a higher pitch to be heard above background noises like traffic and construction. If these street-savvy birds are pushed into the country because of changing climate, though, they may have to change their tune.

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