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

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.

Luis Quinta / Bonelli's eagle (Aquila fasciata) chick at nest with prey, Alentejo, Portugal, April.

Luis Quinta / Bonelli's eagle (Aquila fasciata) female feeding chick at nest, Alentejo, Portugal, April.

Luis Quinta / Bonelli's eagle (Aquila fasciata) female feeding chick at nest, Alentejo, Portugal, April.

Luis Quinta / Bonelli's eagle (Aquila fasciata) female feeding chick feeding at nest, Alentejo, Portugal, April.

Luis Quinta / Bonelli´s eagle (Aquila fasciata) female, Alentejo, Portugal, April.

Luis Quinta / Bonelli´s eagle (Aquila fasciata) female, Alentejo, Portugal, April.

Michel Roggo / European freshwater goby / Ghiozzo (Padogobius bonelli) Europe

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

Bruno D'Amicis / Bonellis's warbler (Phylloscopus bonelli) resting during migration among Mediterranean vegetation, Southern Morocco, NW 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

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