A fully comprehensive field guide to the 512 officially recorded bird species of Mongolia. The species are clearly illustrated in over 140 plates, showing plumage variation between sexes, seasons and age classes, as well as the upperside and underside of birds in flight. Common, scientific and Russian names are given for each species. The main identifying features of each species are described and key facts cover habitat, identifying features and voice. Distribution maps provide an at-a-glance view of where and when the birds can be found. The book also includes information on the geography and major habitats of Mongolia.