How Do Noisy Miners Cope With Noise?

Friday, January 27, 2012 - 12:31 in Biology & Nature

Vocal differences between urban and rural birds have frequently been documented, as have variations in the vocalizations of birds living in different types of "natural" habitat. Based on these findings, it seems logical to assume that birds in different types of urban habitat should have measurably different vocal characteristics from each other, but this possibility has only rarely been studied. In fact, no research at all has addressed whether birds in quieter and louder territories within an urban setting respond to local noise regimes by delivering quieter and louder vocalizations, respectively. This particular vocal manipulation is known as the "Lombard effect," and is thought to be one of the most effective ways to prevent being masked by ambient noise. read more

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