PhysOrg Posted June 23, 2015 Share Posted June 23, 2015 The evolution of birds on the Galápagos 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. The study is published online on June 23 in Ecology Letters. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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