A fully comprehensive field guide to the 521 officially recorded bird species of Mongolia. The species are clearly illustrated in over 154 plates, showing plumage variation between sexes, seasons and age classes, as well as the upper side and underside of birds in flight.

A fully comprehensive field guide to the 521 officially recorded bird species of Mongolia. The species are clearly illustrated in over 154 plates, showing plumage variation between sexes, seasons and age classes, as well as the upper side and underside of birds in flight.