http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
An introduction to bird flight which includes a discussion of bird anatomy, feathers, and air currents and a comparison with airplane flight.
Author's Note -- Feathers for Flying -- A Lightweight Body -- Wings -- Flight Muscles -- How Birds and Planes Are Lifted -- How a Bird Gets More Lift -- How a Bird Moves Forward: Flapping Flight -- Gliding Flight -- Soaring Flight -- Taking Off -- Steering -- Landing -- Different Wings for Different Purposes -- Fast and Slow Flappers -- Hummingbirds: Hovering Flight -- Flight Speeds -- Glossary -- Index.
by Russell Freedman ; drawings by Lorence F. Bjorklund.