Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in ...

A flexible tongue, sensitive beak and teethlike cones in the mouth may have helped Archaeopteryx generate enough energy to fly.

Evolution often involves losing traits like eyesight or flight when they are no longer advantageous, demonstrating a focus on efficiency and adaptation. Cavefish lose eyes through epigenetic changes, ...

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

A new study suggests features in the prehistoric creature's mouth helped it eat more efficiently, giving the species the energy needed to go airborne ...

Iconic transition species between dinosaurs and birds may have had weird 'teeth' on roof of its mouth and a highly mobile ...

Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

Avian plumage doesn’t simply enable flight–this miracle of Nature provides birds with protection, shape and colour and ...

New research shows mountain birds move up and down slopes to save energy, find food, and avoid competition across seasons.

Animals don't just see the world differently from one another, they experience time itself at dramatically different speeds.

Decades of cognitive research reveal that parrots can understand what numbers represent. Here’s how these birds use them to ...

The fossil of Archaeopteryx is one of the most famous in the world, yet a Chicago specimen has just yielded a set of bizarre features that had literally been hiding in the rock. Using ultraviolet ...