University of Wisconsin
The Why Files: On the Wing: Birds, Skeeters, Jet Planes
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...
PBS
Pbs: Champion Birds
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.
San Diego Zoo Global
San Diego Zoo: Birds
This resource provides detailed information about birds, as well as several pictures.
University of California
Ucmp: Are Birds Really Dinosaurs?
A great essay that illustrates how science is done as well as the relationship between dinosaurs and modern birds. Includes a picture to illustrate this concept, and contains many links to related sites.
Museums Victoria
Melbourne Museum: Meet the Skeletons: Genyornis Newtoni
Genyornis newtoni was a gigantic, non-flying bird that lived in Australia during the Pleistocene Period. It is sometimes referred to as a 'thunder bird' due to its large size. Some information and pictures can be found here.
PBS
Pbs Teachers:patagonia: The Aeronautics of Condor Flight
Examine the size, range and habits of the Andean condor, construct a model condor and fly it.
Animal Fact Guide
Animal Fact Guide: California Condor
This reference material explores the largest flying bird in California, the condor. Learn about its habitat, diet, physical characteristics, and much more!
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