Stanley Cramp Boeken

This is the ninth and final volume of the complete work. It contains 61 comprehensive species descriptions, with sections devoted to field characteristics, habitat, distribution, mortality, population, movements, food, social patterns and behavior, breeding, voice, plumages, moults,measurements, weights, structure, and geographical variation. Species Passeriforms, Parulidae New World Wood-Warblers, Thraupidae Tanagers, Emberizinae Buntings and allies, Cardinalinae Cardinal-Grosbeaks and allies, Icteridae New World Blackbirds and allies, Orioles and allies, andadditional species.