The PBS video series "The Life of Birds" is accompanied with this site. There are articles about several aspects of birds and their behavior. This one chronicles the highest, fastest, and most extreme birds. There are lots of examples.

In this science fair project, the student will make a wind tunnel to test how the formation of birds in flight affects flight efficiency. Make the bird models out of Legos and have fun with this project. The Science Buddies project ideas...

Evolution through natural selection governs the "design" of flying creatures. Engineers design flying machines. But flying is about physics, and physics is the ultimate arbiter of both processes, and that produces parallels in mechanical...

This resource provides detailed information about birds, as well as several pictures.

Excellent coverage of the adaptations and actions of birds in regard to flight. Contains specific information, diagrams, and pictures.

This site provides a detailed explanation of the structure of bird feathers. Topics include feather topography, types of feathers, and feathers and flight.

Examine the size, range and habits of the Andean condor, construct a model condor and fly it.

[Free Registration/Login Required] This passage from the American Museum of Natural History is about the discovery and study of bones from Pterosaurs, extinct flying reptiles that are not exactly dinosaurs or birds. A question set, a...