Andean condor can fly for 100 miles without flapping wings

A study sheds light on just how efficiently the world’s largest soaring bird rides air currents to stay aloft for hours without flapping its wings. The Andean condor has a 3-metre (10ft) wingspan and weighs up to 15kg (33lbs), making it the world’s heaviest soaring bird. For the first

‘Wonderchicken’ fossil reveals ancestor of today’s birds

A tiny fossil skull nicknamed “Wonderchicken” is giving scientists a rare glimpse at early ancestors of today’s birds. It may be the oldest known fossil from this group. With a face like those of today’s chicken-like birds and a back portion like that of living duck-like bir

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