Bok
11-01-2012, 01:08 PM
Unexpected pattern of evolution found across hemispheres
More... (http://www.sciencenews.org/view/generic/id/346146/title/Extensive_bird_family_tree_rewrites_some_history)
More... (http://www.sciencenews.org/view/generic/id/346146/title/Extensive_bird_family_tree_rewrites_some_history)