The bird skeleton is highly adapted for flight.

Elżanowski, A. (1981) Embryonic bird skeletons from the late Cretaceous of Mongolia.

Another bird skeleton was found along with carefully arranged sticks parallel to one another.

Some bird skeletons from New Caledonia.

Excavations in one compound produced eggshell fragments, bird skeletons, and traces of wooden perches.

It is a common misconception that bird skeletons are lightweight.

Some are inert, like a tiny bird skeleton created from the artist's nail clippings or a huge bear made of granite boulders.

His heirs donated his extensive collections of modern bird skeletons and fossil birds to the Florida Museum of Natural History in 1992.

His uniform's right shoulder pauldron is a bird skeleton, and his left shoulder is protected by a perforated mantle.

In fact, you'll often find entire rodent or bird skeletons inside.