Jose B. Ruiz / Booted eagle (Aquila pennata) female feeding chick at nest in pine woods, Murcia, Spain.

Jose Ruiz / Booted eagle at nest with chick (Aquila pennata) Spain Pine woods, Murcia.

Roger Powell / Booted eagle (Hieraaetus pennatus) in flight. Extremadura, Spain, April.

Melvin Grey / Booted eagle (Hieraaetus pennatus) adult in flight, Gabarevo area, Bulgaria

Debapratim Saha/ BIA / Booted Eagle (Hieraaetus pennatus) with female Common Teal (Anas crecca) prey, India

Andres M. Dominguez / Booted eagle (Hieraaetus pennatus) perched, Sierra de Grazalema Natural Park, southern Spain, July.

Markus Varesvuo / Booted eagle (Aquila pennata) in flight on migration, Spain, September

Markus Varesvuo / Booted eagle (Aquila pennata) in flight, Spain, September

Markus Varesvuo / Booted eagle (Aquila pennata) in flight on migration, Spain, September

Markus Varesvuo / Booted eagle (Aquila pennata) in flight, on migration, Spain, September

Andres M. Dominguez / Booted Eagle (Hieraaetus pennatus) with prey, Seville, Spain

Christine Jung / Booted Eagle (Hieraaetus pennatus), Tawi Atayr, Oman