This useful guide for bird lovers & hunters will help you recognize waterfowl on the wing. It emphasizes their fall & winter plumage patterns as well as size, shape, & flight characteristics. It explains how differences in size, shape, plumage patterns & colors, wing beat, flocking behavior, voice, & habitat all help to distinguish one species from another. Includes color & black-&-white pictures & a chart on comparative sizes of waterfowl to aid in identification.