It leads you step by step to understanding how to approach these difficult groups. Even less, if you order it here, through Amazon Books. All 60 North American wood warbler species are described in detail, from field marks and vocalizations to mating habits and preferred habitats. Color paintings use the unique Peterson Identification System to show clearly the marks that distinguish one bird from another. The warblers are shown in their confusing fall plumages as well as their more familiar colorful spring plumages.
Color photographs accompany the species descriptions.
Color maps show where each species can be seen at different times of the year. Drawings depict parts of warblers and bird behaviors. This is a thick, heavy book with closely-spaced text and detailed descriptions. Less, if you order it here , through Amazon Books. Less, if you order it here , through Amazon Books.