Evolution of bird songs ?

From: Van oost Kenneth (kennethvanoost@belgacom.net)
Date: Mon 28 Jul 2003 - 09:38:08 GMT

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    Birds sing like a GSM,

    If you hear during a walk in the woods a tune of a GSM, look than right up. Some song- birds imitate namely faultless the sound of a mobile phone. Especially the jay is a master in imitating. And because the use of GSM and of SMS is increasing_ also in the woods_ birds pick- up those sounds.

    Also the noisy environment of the city does influence bird song. Orthinologists did discover, very recently, that great- tits have more strident sounds than those in the country.
    " Otherwise they can 't stand out in the crowd of what are the environ- mentalnoises ! And males must be audible to chat up females. Thus they have learned to sing louder ! " ( FrP)
    ( Original article, Gentenaar 18/ 03/ 2003) Translated by Kenneth Van Oost)

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