23 junio 2015
The evolution of birds on the Galapagos Islands, the cradle of Darwin’s theory of evolution, is a two-speed process. Most bird species are still diversifying, while the famous Darwin’s finches have already reached an equilibrium, in which new species can only appear when an existing one becomes extinct. This finding expands the classical theory on island evolution put forward in the 1960s.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HkC-Bw00WPg/150623072242.htm
