A Field Guide to Hawks includes all 39 species of North American hawks and other diurnal raptors, including eagles, falcons and vultures. Newly revised and updated, Peterson's A Field Guide to Hawks features forty beautifully painted color plates displaying identifying field marks and are supplemented throughout the book by full-color photographs. The text describes vagrant species including current taxonomic nomenclature. Color maps showing ranges for each season have been completely updated.Color paintings and photographs show each species in various color morphs and plumages, which are also described in detail.