Images for The Evolution of Flight

Flight in Insects

Swimming (and skimming) as a preadaptation

Parachuting Vertebrates

Early Gliding Vertebrates



Early Birds, including Archaeopteryx

The Origin of Powered Flight in Birds

Display and Fighting in Birds

The WAIR hypothesis

was published in January 2003. Sketch of the idea.

Did Archaeopteryx Fly?

Cretaceous Birds

New discoveries of Cretaceous birds and close relatives:

Cenozoic Birds

The Largest Flying Birds


Page last updated, November 17, 2004.

Links last checked July 16, 2004.

Images for Chapter 12 ]

Images for Chapter 14 ]

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