How birds fly /

An introduction to bird flight which includes a discussion of bird anatomy, feathers, and air currents and a comparison with airplane flight.

Bibliographic Details

Main Author:	Freedman, Russell
Other Authors:	Bjorklund, Lorence F.
Format:	Book
Language:	English
Published:	New York : Holiday House, ©1977.
Subjects:	Flight > Juvenile literature. Flight. Birds. Vol > Ouvrages pour la jeunesse. Children's nonfiction. Juvenile works.