Songs of the African birds remained invariable throughout hundred thousands of years

Songbirds study the songs at parents and relatives – scientists established long ago this fact. Was considered that over time in a melody changes inevitably creep. However the new research conducted by biologists from Californian university in Berkeley and University of State of Missouri in gorod Springfild, showed – songs of the East African solar birds did not change the last 500 thousand, and it is possible, one million years. Their singing appeared almost indistinguishably from singing of related birds from whom their evolutionary ways dispersed long ago, reports scientific journal "Proceedings of the Royal Society B". Surprisingly "static"...