A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to the waterfowl that live by lakes and oceans today, according to new research.

Paleontologists have been arguing whether modern birds developed before or after the infamous asteroid for decades. Now, a team of researchers has analyzed a 69-million-year-old fossil belonging to the long-extinct bird Vegavis iaai that could put the discussion to rest.

A near-perfect fossilized skull discovered in Antarctica reveals the bridge between prehistoric and modern birds, a new study has found. The fossil is a specimen of a species called Vegavis iaai, which lived around 69 million years ago – more than 2 million years before the mass extinction that wiped out all non-avian dinosaurs.