His main interest was in aviation, the problems of bird flight.

He went to sea again for several years, learning more about wind, weather and bird flight.

Finally, theories on the evolution of bird flight are discussed.

They also have a full motion Red Bird flight training device.

The origin of bird flight is a separate but related question for which there are also several proposed answers.

The origin of bird flight itself is still hotly debated.

The bird's forelimbs, the wings, are the key to bird flight.

The beach is a critical checkpoint in migratory birds flight.

But he said it was premature to speculate on the implications of the wings for early bird flight.

Basis for his construction are bird flight and the glider kite.

The fundamentals of bird flight are similar to those of aircraft.

This is the bird flight linked to the serpent bondage in one image.

This plays a major role in bird flight.

Bird flight and plane flight are simply two quite different feats.

The medieval Islamic scientists were not far behind, as they understood the actual mechanism of bird flight.

The mechanics of insect flight are different than bird flight due to their size differences.

Most birds fly (see bird flight), with some exceptions.

The older date may be more probable, other scientists said, and would put the aerial life of the mammal earlier than known bird flight.

Chatterjee forcefully argues a minority view that bird flight originated from the "trees down."

Bird flight is one of the most studied forms of aerial locomotion in animals.

Idea of a "bird flight line"

Secretary Bird flight feathers and thighs are black, while most of the coverts are grey with some being white.

When disturbed, these birds flight straight up onto the canopy or a large horizontal branch of a large forest tree.

"Leonardo's writing about studying bird flight, referring to a bird called a kite.

This article discusses the mechanics of bird flight, with emphasis on the varied forms of bird's wings.