The North American Geese: Their Biology and Behavior

There are eight currently recognized species of North American geese: emperor, greater white-fronted, snow, Ross's, Canada and cackling, barnacle, and brant geese. This book describes each species' geographic range and subspecies, its identification traits, weights and measurements, and criteria for its age and sex determination. Ecological and behavioral information includes each species' breeding and wintering habitats, its foods and foraging behavior, its local and long distance movement...