Birds are everywhere: some can fly high over the Himalayas, others can dive as deep as 500 meters in the oceans, some migrate unerringly form one end of the earth to the other. With more than 9,000 species recognized, birds present us with hundreds of scientific puzzles to solve.

Subjects covered:

Asymmetric birds
Wing claw and spurs
Inherited callosities
Unrelated birds that look alike
Enigmas of Avian instincts
The Intelligence of birds
An avian aesthetic sense
Birds that roost upside down
The insidious nature of brood parasitism
Avian battles, courts, funerals
Unsolved mysteries of migration
Poisonous birds
The unique avian respiratory system
The two-voice phenomenon
Echolocation in birds

486 pages, hardcover, 150 illustrations
Author: William Corliss