The fossilized skull of a bird called Vegavis, which lived in the Antarctic some 68.7 million years ago, confirms it was an early member of the waterfowl group. However, the skull also suggests ...
Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the ...