Near the end of the age of dinosaurs, a bird resembling today's loons and grebes dove for fish and other prey in the perilous waters off Antarctica. Thanks to a nearly complete fossil skull, scientists now have identified this waterfowl as the oldest-known member of the lineage spanning all birds alive today.

A new and nearly complete skull of Vegavis iaai discovered in Antarctica suggests that modern birds originated before the end-Cretaceous mass extinction.

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.

In the icy wilderness of Antarctica, where glaciers now dominate the landscape, scientists have unearthed a fossil that rewrites the story of modern birds. The nearly complete skull of Vegavis iaai, a duck-sized bird that lived 69 million years ago,

A 69-million-year-old fossilized skull unearthed in Antarctica could rewrite the history of modern birds. The nearly complete skull belongs to Vegavis iaai, a prehistoric waterfowl species that lived alongside Tyrannosaurus rex at the end of the Cretaceous period.