Forum > Birds In The News > Persist And Shout: Male Bluebirds Alter Songs To Be Heard Over Increased Acoustic Noise

Webmaster Posted 21-Aug-2015 08:27
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From Science Daily on 21-Aug-2015 08:27

Birds 'shout' to be heard over the noise produced by human-made activity, new research has shown. Researchers recorded songs produced by 32 male bluebirds, and analysed two from each male -- those produced during the quietest and loudest period of ambient noise -- to investigate whether males changes their songs between these two conditions


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