San Antonio College Library

The newest addition to the highly regarded Helm Identification Series, which includes Seabirds ("unparalleled achievement," "best bird guide of any kind or of any generation," "sets the standard of excellence") and Shorebirds ("a superb guide," "a landmark volume"). One of the most eagerly awaited bird books in recent decades, Raptors is the first complete identification guide to all the birds of prey of the world. Each of the 313 species is described...

In this authoritative reference, two of the world's top experts on raptors provide an essential guide to the variations in the species, allowing for easier recognition of key identification points. All the distinguishing marks described have been exhaustively tested in a wide range of field conditions. 365 photos.

"The Great Lakes region and Eastern North America are home to over 30 species of birds of prey. Hawks & Owls illustrates the subtle differences and rich diversity among these birds and makes precise identification possible. Over 180 photos show the birds in their natural environment. Comparison pages group similar-looking birds on a single page for quick reference. The book includes male/female differences, seasonal and immature plumages, morphs,...