Birds don't have teeth, and believe it or not, we're still not entirely sure why. A new study, however, has an impressive theory on what happened to our winged friends, and suggests how going ...

The absence of teeth, or “edentulism,” has evolved on multiple occasions within vertebrates, including birds, turtles and a few groups of mammals such as anteaters, baleen whales and pangolins. Where ...

A study of a bizarre prehistoric bird's fossilized remains has uncovered fascinating new details regarding its behavior. Living around 120 million years ago, the species, Longipteryx chaoyangensis, is ...

Teeth are one of nature’s most useful tools, helping animals bite, tear, and grind their food. Mammals, reptiles, and even some amphibians rely on them daily, but birds are the exception. Modern birds ...

RIVERSIDE, Calif. - The absence of teeth or "edentulism" has evolved on multiple occasions within vertebrates including birds, turtles, and a few groups of mammals such as anteaters, baleen whales and ...

How did Archaeopteryx relate to today’s birds? Its teeth provide a major clue. Experts are still arguing over whether Archaeopteryx was a true bird, or a paravian dinosaur, or some other kind of dino.

Evolution is complicated, and thus, there often are multiple overlapping reasons that particular traits are adaptive. One such evolutionary puzzle is the reason that birds have beaks instead of teeth.

Sports mascots aside, birds have no teeth in their bills. In fact, the absence of teeth has evolved in multiple vertebrates: turtles, anteaters, baleen whales, and pangolins, for example. And then ...