Vienna, Austria – View of St. Michael's Wing at Michaelerplatz, the grand Baroque facade of Hofburg Palace's entrance with its monumental dome and sculpted imperial eagles overlooking the square.

Vienna, Austria – View of St. Michael's Wing at Michaelerplatz, the grand Baroque facade of Hofburg Palace's entrance with its monumental dome and sculpted imperial eagles overlooking the square.

Vienna, Austria – Detail of St. Michael's Wing at Michaelerplatz, the grand Baroque facade of Hofburg Palace's entrance with its monumental dome and sculpted imperial eagles overlooking the square.

Vienna, Austria – View of St. Michael's Wing at Michaelerplatz, the grand Baroque facade of Hofburg Palace's entrance with its monumental dome and sculpted imperial eagles overlooking the square.

Imperial double-headed eagle and the Austrian flag on the roof of the national library, Hofburg Imperial Palace, Vienna, Austria, Europe

Spanish imperial eagle (Aquila adalberti) sits on a Holm Oak (Quercus ilex), Castilla y Leon, Spain, Europe

Imperial eagle on an obelisk on the Karlsbruecke bridge, 1728 in honor of Emperor Karl VI. 1740-1748, Karlsbruecke bridge, Nuremberg, Middle Franconia, Bavaria, Germany, Europe

Imperial double-headed eagle with the Austrian flag on the roof of the National Library, Hofburg, Vienna, Austria, Europe

White-tailed eagle (Haliaeetus albicilla) and eastern imperial eagle (Aquila heliaca), feeding with prey, Lower Austria, Austria, Europe

Spanish Imperial Eagle (Aquila adalberti), adult, flying at a branch, Toledo Province, Castilla-La Mancha, Spain, Europe

Spanish Imperial Eagle (Aquila adalberti), adult, on cork oak branch, Toledo Province, Castilla-La Mancha, Spain, Europe

Imperial double-headed eagle and the Austrian flag on the roof of the national library, Hofburg Imperial Palace, Vienna, Austria, Europe

Imperial eagle on the market square of Goslar, Harz, Germany, Europe

Spanish imperial eagle imperial eagle juvenile rescue of chick Sierra Morena Andalusia Spain Animals

Spanish imperial eagle imperial eagle detail feet claws Andalusia Spain Animals

Spanish imperial eagle (Aquila adalberti) with prey on a branch, Cordoba, Spain

Eastern Imperial Eagle (Aquila heliaca), juvenile in flight, Dhofar, Oman

Spannish imperial eagle (Aquila adalberti) perched on a branch, Spain

Spannish imperial eagle (Aquila adalberti) landing on a branch, Spain

Spanish imperial eagle (Aquila adalberti) in flight, Cordoba, Spain

Spanish imperial eagle (Aquila adalberti) adult in head-on flight. Tolede region, Spain

Spanish imperial eagle (Aquila adalberti) Immature on a perch with cattle in the background on the Spanish steppe. Tolede region, Spain

Iberian eagle (Aquila adalberti), juvenile on a stump, Spain