This book serves as an exhaustive field guide to the 103 species within the Icteridae family, commonly known as blackbirds, grackles, orioles, and allies. The text provides detailed information on identification, behavior, nesting, geographic variation, distribution, vocalizations, and plumage descriptions for all age and sex types, covering the entire range of these birds from Alaska to Cape Horn and the Caribbean.

This comprehensive guide is recognized as a definitive resource for ornithologists and bird enthusiasts alike. Its detailed plates and extensive text offer unparalleled depth for identification and understanding of the Icteridae family. The inclusion of previously unillustrated subspecies and age types makes it an invaluable reference for both field identification and scholarly study. The book's scope, covering the entire Americas, solidifies its status as a key work in avian literature.