The crown of the famous 150-million-year-old Archaeopteryx fossil as the first bird has been restored by a new evolutionary tree. Australian researchers say the feathered fossil is indeed of the first known bird, despite another study earlier this year suggesting otherwise.
Dr Michael Lee, South Australian Museum and Dr Trevor Worthy, School of Biological, Earth and Environmental Sciences, UNSW
Biology Letters, http://www.science.unsw.edu.au/news/archaeopteryx-was-first-bird-after-all/