An easy-to-use reference book for birders, this title is a comprehensive collection of photographs and descriptions of all the world's ducks, geese and swans. This collection of over 700 photographs from leading bird photographers throughout the world covers 236 species and sub-species. Wherever possible, the photographs are accompanied by full details of age and sex, and place photographed. Every significant plumage variation is shown, where appropriate, for each species.
