An indispensable field guide and reference for birders. The eastern Continental Divide from Florida to Ontario contains the world's largest network of freshwater lakes, rivers, wetlands and coastal waters. It is home to an astonishingly large variety of ducks, geese, and other waterfowl. Waterfowl of Eastern North America is a richly illustrated pocket-sized field guide for birders and naturalists. Full-color photographs show these birds in their natural habitats in each season. Comparison pages group similar-looking birds on a single spread for quick reference. Concise and accurate information on each species includes: Common name Biological classification Identifying features Seasonal changes to plumage color. The detailed information on each species is concisely organized and includes the differences between male and female, seasonal and immature plumage, morphs and distinctive markings. The coverage includes: Ducks and geese Swans and pelicans Loons, grebes and cormorants. Waterfowl of Eastern North America also features essential information for birders who want to support conservation groups that protect waterfowl and their quickly disappearing habitats.