Imperial Eagle - Aquila Imperialis (aka Aquila heliaca), - lithograph with hand coloring - 43.5 x 33.4 cm (image); 53.4 x 35.5 cm
Date 19th century
Source John Gould: The Birds of Europe, vol. 5 pl. 55
Author John Gould
Source: https://commons.wikimedia.org/wiki/File:Aquila_Imperialis_by_John_Gould.jpg

The eastern imperial eagle (Aquila heliaca) is a large species of bird of prey that breeds from southeastern Europe to western and central Asia. Most populations of Aquila heliaca are migratory and winter in northeastern Africa and southern and eastern Asia.