Colin Harrison and Alan Greensmith ; Mark Robbins, editorial consultant.
First American edition.
Boston :
Distributed by Houghton Mifflin,
1993.
416 pages :
color illustrations, color maps ;
22 cm.
Eyewitness handbooks
Includes index.
How this book works -- Anatomy of birds -- Variations within species -- Watching birds in the garden -- Watching birds in the field -- Identifying birds in flight -- Identification key -- Non-passerines -- Passerines.