Why rap has become the music of choice for city high-flyers - Times Online
Sydney Morning Herald
|Why rap has become the music of choice for city high-flyers|
Urban birds perform a form of avian rap whereas those in rural areas prefer gentler country music, a study shows. Birds in towns eschew many of the traditional, more melodious songs to blast out new tunes ...
Urban songbirds raise their voices to be heard
Why birds sing up when they move to the city
(Via Google News - Sci/Tech.)