Science How did birds lose their teeth?

The common ancestor of all birds is thought to have teeth, but modern-day birds don't. New research helps pinpoint when birds evolved toothlessness.

By , LiveScience

Humboldt Museum für Naturkunde Berlin

Birds — like anteaters, baleen whales and turtles — don't have teeth. But this wasn't always the case. The common ancestor of all living birds sported a set of pearly whites 116 million years ago, a new study finds.