Bird songs change with environment

Just as a changing radio landscape has made it tough for Foghat to get much airplay these days, so it is for birdsongs according to new research published in The American Naturalist.

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<p><a href="http://www.physorg.com/news162040540.html">Bird songs change with environment</a></p> <p>Just as a changing radio landscape has made it tough for Foghat to get much airplay these days, so it is for birdsongs according to new research published in <i>The American Naturalist</i>.</p>