One such evolutionary puzzle is the reason that birds have beaks instead of teeth. Modern birds evolved from theropod dinosaurs, which include some of those ferociously carnivorous beasts with ...

That combination of beak, teeth, flight and jaws make it a crucial ... The fact that Ichthyornis could do this reinforces a theory about why birds have beaks at all: Perhaps the beak is basically ...

Three extinct groups of birds were detected from fossils excavated in Alaska; one of them could also be associated with ...

Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young.

While modern birds have fused forelimb digits ... As other birds lost their teeth over time, they would ingest stomach stones to create a gastric mill to help crush the food they ate.

The latest findings raise new questions about how the bird may have used its long, pointy beak and strong teeth. The authors now suspect that these features served as a weapon, which Longipteryx ...

Archeopteryx had a complete set, Longipteryx’s teeth were limited to the very front of its beak, and contemporary birds have remained toothless. That question remains up for speculation. But O’Connor ...

When remains of this ancient bird was discovered in 2000 beneath ... The researchers point out that several modern hummingbirds have teeth-like 'keratinous projections' near the tips of their ...

Far from crazy, feathered dinosaurs have become a well-established ... It had feathered wings like living birds, but also had traits found in reptiles, such as teeth, claws and a long bony tail.

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 ...

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...

Why do birds tend to have sharp beaks instead of a mouth full of teeth? The answer may have to do with the mechanics of flight. Bird extinction and evolution expert, Dr. Helen James who curates ...