Full AspenCat Catalog

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,...

A look at the natural history, biology, and conservation issues faced by cranes in North America, featuring beautiful photos. Accompanied by the stunning photography of Thomas D. Mangelsen, A Chorus of Cranes details the natural history, biology, and conservation issues surrounding the abundant sandhill crane and the endangered whooping crane in North America. Author Paul A. Johnsgard, one of the leading authorities on cranes and crane biology, describes...