The new fossil belonged to a species known as Vegavis iaai and "shows an asymmetry seen in living ducks," said Julia Clarke, an associate professor at the University of Texas in Austin, and lead ...

The primitive bird it belonged to – a goose-like creature called Vegavis iaai – would have coexisted with non-avian dinosaurs at the end of the Cretaceous period, 66-68 million years ago.