David Pattyn / Bearded vulture (Gypaetus barbatus) in flight over winter landscape with snow, Leukerbad, Vallais, Wallis, Switzerland, January

David Pattyn / Bearded vulture (Gypaetus barbatus) in flight over winter landscape with snow, Leukerbad, Vallais, Wallis, Switzerland, January

Nick Garbutt / Bearded vulture (Gypaetus barbatus) in flight with the out-of-focus moon behind. Ladakh, Himalayas, northern India.

Francisco Marquez / Juvenile Lammergeier (Gypaetus barbatus) feeding on a bone in snow, Ordesa y Monte Perdido National Park, Spain, April.

David Tipling / Bearded vulture (Gypaetus barbatus) adult swallowing leg bone along with hoof, Spanish Pyrenees, July. This bird swallowed five of these leg bones whole, they have the ability to dissolve the bone in...

David Kjaer / Bearded vulture (Gypaetus barbatus)) coming in to land, Spain, July

David Pattyn / Bearded vulture (Gypaetus barbatus) flying, Leukerbad, Valais, Switzerland, February

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) in flight over Simien Mountains, Ethiopia

Markus Varesvuo / Bearded vulture (Gypaetus barbatus) close up portrait, Spain, November

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) in flight. Ordesa National Park, Spanish Pyrenees, April.

Juan Carlos Munoz / Bearded Vultures (Gypaetus barbatus) juvenile (left) and adult fighting in flight. Simien National Park, Ethiopia, Africa.

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.