The author first discusses the evolutionary history of raptors and the morphological features they share, then in succeeding chapters details their comparative ecology, food and foraging, behavior, and reproductive biology. Individual species accounts include discussion of geographic range, weights and measurements, in-hand and in-field identification characters, subspecies, plumage variations, ecology, behavior, and breeding biology. Color photographs,...

"Accompanied by the stunning photography of Mangelsen, Johnsgard details the natural history, biology and conservation issues surrounding the abundant sandhill crane and the endangered whooping crane in North America"--