Jose B. Ruiz / Bonelli's Eagle, 58-day old juvenile at nest, Spain

Jose B. Ruiz / Bonelli's eagle (Hieraaetus fasciatus) female. Spain, Europe

Jose B. Ruiz / Bonelli's eagle female head portrait, Spain

John Downer / African hawk eagle head portrait {Hieraaetus spilogaster}. Zimbabwe, Africa.

John Downer / African hawk eagle portrait {Hieraaetus spilogaster} Zimbabw

Hanne & Jens Eriksen / Bonelli's eagle (Hieraaetus fasciatus / Aquila fasciatus) in flight, view from above, Oman, March.

Hanne & Jens Eriksen / Bonelli's eagle (Hieraaetus fasciatus / Aquila fasciatus) in flight, underside close-up, Oman, March.

Hanne & Jens Eriksen / Bonelli's eagle (Hieraaetus fasciatus / Aquila fasciatus) in flight, view from above, Oman, March.

Hanne & Jens Eriksen / Bonelli's eagle (Hieraaetus fasciatus / Aquila fasciatus) in flight, Oman, March.

Sandesh Kadur / Bonelli's eagle (Hieraaetus fasciatus) at nest with chick, Bandipur National Park, Karnataka, Western Ghats, Southern India.

Tui De Roy / African Hawk-Eagle (Hieraaetus spilogaster), Lewa Wildlife Conservation Area, Kenya

Luis Quinta / Female Bonelli's eagle (Hieraaetus fasciatus) at nest with chicks, Alentejo, Portugal

Jose B. Ruiz / Bonelli's eagle {Hieraaetus fasciatus} female at nest with chick, male returning to nest, Spain

Jose B. Ruiz / Bonelli's eagle (Hieraaetus fasciatus) chick feeding in nest, Spain

Jose B. Ruiz / Bonelli's eagle (Hieraaetus fasciatus) chick at nest, looking out for returning adult, Spain

Jose B. Ruiz / Bonelli's eagle (Hieraaetus fasciatus) adult and chick at nest, Spain

Vincent Grafhorst / African Hawk-Eagle (Hieraaetus spilogaster) perching on a snag, Khama Rhino Sanctuary, Serowe, Botswana

John Downer / Portrait of African hawk eagle (Hieraaetus spilogaster) with open beak, Zimbabwe

Richard Du Toit / African hawk eagle (Hieraaetus spilogaster) juvenile in flight, Moremi WR, Botswana

WILLIAM OSBORN / Little eagle {Hieraaetus morphnoides} Kakadu NP, Northern Territories, Australia

Pat De La Harpe / African hawk eagle {Hieraeetus spilogaster} perched over Itala GR, South Africa

Jose B. Ruiz / Bonelli's eagle female (Hieraaetus fasciatus) Spain

Roger Powell / Bonelli's eagle female feeding chick {Hieraaetus fasciatus} Portugal

Jose B. Ruiz / Bonelli's Eagle and chick at nest, Spain

Jose B. Ruiz / Bonelli's eagle and chick at nest, Spain

Jose B. Ruiz / Bonelli's eagle and chick at nest, Spain

Richard Du Toit / African hawk eagle perched {Hieraaetus spilogaster} Chobe river, Botswana {Aquila

Jose B. Ruiz / Bonelli's eagle family at nest, Spain

Jose B. Ruiz / Bonelli's eagle chick in nest, Spain

Jose B. Ruiz / Bonelli's eagle chick with food in nest, Spain

Jose B. Ruiz / Bonelli's eagle being ringed for research purposes, Spain

Richard Du Toit / Bonelli's eagle (Hieraaetus fasciatus). Moremi reserve, Botswana, Southern Africa

Jose B. Ruiz / Bonelli's eagle, male on nest with prey, Spain

Jose B. Ruiz / Bonelli's eagle female taking off from rock, Alicante Spain