Jochen Gerlach/ BIA / Bearded Vulture (Gypaetus barbatus) flying, Valais, Switzerland

Jochen Gerlach/ BIA / Bearded Vulture (Gypaetus barbatus) flying, Valais, Switzerland

Jochen Gerlach/ BIA / White-tailed Eagle (Haliaeetus albicilla) in aggressive display, Lodz, Poland

Jochen Gerlach/ BIA / White-tailed Eagle (Haliaeetus albicilla) flying, Mecklenburg-Vorpommern, Germany

Jochen Gerlach/ BIA / Greater Spotted Eagle (Aquila clanga) juvenile, Dhofar, Oman

Jochen Gerlach/ BIA / Lanner Falcon (Falco biarmicus) with bird prey, Northern Cape, South Africa

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) male, Sardinia, Italy

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) male flying, Sardinia, Italy

Jochen Gerlach/ BIA / Eurasian Black Vulture (Aegypius monachus) pair, Extremadura, Spain

Jochen Gerlach/ BIA / White-tailed Eagle (Haliaeetus albicilla) scratching itself, Finnmark, Norway

Jochen Gerlach/ BIA / Steppe Eagle (Aquila nipalensis) juvenile, Dhofar, Oman

Jochen Gerlach/ BIA / Peregrine Falcon (Falco peregrinus), Finnmark, Norway

Jochen Gerlach/ BIA / Lanner Falcon (Falco biarmicus) preening, Northern Cape, South Africa

Jochen Gerlach/ BIA / Gyrfalcon (Falco rusticolus) juvenile spreading wings, Adaldalur, Iceland

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) female, Sardinia, Italy

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) female flying, Sardinia, Italy

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) male, Sardinia, Italy

Jochen Gerlach/ BIA / Eleonora's Falcon (Falco eleonorae) male calling, Sardinia, Italy