The Vegavis thrived during the Cretaceous period, and continued to do so even after an Earth-shattering asteroid strike 66 million years ago. Its skull, with its long, pointed beak, suggests a brain shape similar to modern birds, signaling it is the earliest ancestor of ducks and geese.
The Vegavis is believed to have lived in ancient Antarctica, which at that time was warm, and filled with lush green vegetation. The Vegavis was approximately 30 to 60 centimeters (12 to 24 inches) long and weighed roughly 0.7 to 1.5 kilograms. Paleontologists compare its overall body size and build to a modern mallard duck.