PhysOrg Posted April 3, 2014 Share Posted April 3, 2014 The first comprehensive map of hummingbirds' 22-million-year-old family tree—reconstructed based on careful analysis of 284 of the world's 338 known species—tells a story of rapid and ongoing diversification. The decade-long study reported in the Cell Press journal Current Biology on April 3 also helps to explain how today's hummingbirds came to live where they do. Read the full article on phys.org Link to comment Share on other sites More sharing options...
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