Scientists: The birds also have “hits”

Fashion on the musical performance is not only in human society, but the birds also. It is found by ornithologist from the University of Lausanne, Switzerland, studying the birds, that singing on the west coast of the United States.

As it turned out, over the past four decades, the birds in California began to sing slowly and drawl. This conclusion was based on an analysis of bird song recordings from 1960 to 2000.

In comparison, birds chirp simple arias and it was found, that the birds have slowed the rhythm of his music: the moment they were done for 1-2 trills less.

In the opinion of ornithology, is due to the fact that the habitat of birds has become more noisy, and they are forced to sing slowly, to be heard by their brethren.