Birds sing louder in noisy environments

25 April 2004 - A study conducted at the Free University of Berlin showed that city birds sing louder than country birds. Behavioral biologist Henrik Brumm concluded that male birds in urban environments try to compensate for high noise levels by singing louder so that their female counterparts can hear them. In this way, the birds adapted to their surroundings and they did it in a very flexible way. On weekends, when there was less traffic flow, they sang at lower frequencies. Cities aren

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Do so with the CDs listed under Recordings. These enable you to identify birdsongs anywhere and without having to go online. >>

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Perhaps one day I'll get around to adding a new category called Most Beautiful Recordings or something along those lines. Not really meant for bird lovers, but rather to offer something soothing for the soul.