Tuesday, January 22, 2013

Sex of ancient bird fossils determined
[ Tue, 22 Jan 2013 17:00:20 GMT ]

Researchers have determined the gender of a specimen of an ancient beaked bird Confuciusornis sanctus (reconstruction shown here) to be female, finding this species has drab females and flashy males like today's birds.An ancient, beaked bird that lived in what is today northeastern China was ovulating when she, yes "she," perished some 125 million years ago, suggests new research that can reveal the gender of bird fossils.


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