A Field Guide to Hummingbirds of North America. Covering 31 North American species, with more than 22 photographs and 34 color maps, this is the most comprehensive field guide to hummingbirds. It has the detail needed for making difficult identifications, and it includes introductory chapters on the natural history of hummingbirds, ways to attract and feed them, and the major North American hot spots for watching these birds.
