Markus Varesvuo / Rüppell's griffon vulture (Gyps rueppellii) in flight, Spain, September

Markus Varesvuo / Rüppell's griffon vulture (Gyps rueppellii) in flight, Spain, September

Loic Poidevin / Ruppell's vulture (Gyps rueppellii) in flight, Masai Mara, Kenya, October, Endangered species.

Loic Poidevin / Ruppell's vulture (Gyps rueppellii) on ground, Masai Mara, Kenya, October, Endangered species.

Loic Poidevin / Marabou stork (Leptoptilos crumeniferus) fighting with Ruppell's griffon vulture (Gyps rueppellii) over Wildebeest carcass in river, after the migration, Samburu, Kenya, October.

Loic Poidevin / Ruppell's vulture (Gyps rueppellii) in flight, Masai Mara, Kenya, October, Endangered species.

Eric Baccega / Marabou stork (Leptoptilos crumeniferus) and Ruppel's griffon vulture (Gyps rueppelli) feeding on wildbeest carcasses in Mara river. Mara National Reserve, Kenya, Africa.

Eric Baccega / Ruppells griffon vulture flying (Gyps rueppellii) Masai Mara National Reserve, Kenya, Africa.

Eric Baccega / Ruppells griffon vulture flying (Gyps rueppellii) Masai Mara National Reserve, Kenya, Africa.

Eric Baccega / Ruppells griffon vulture flying (Gyps rueppellii) Masai Mara National Reserve, Kenya, Africa.

Oscar Diez / Ruppell's Griffon (Gyps rueppellii), Castile-La Mancha, Spain

Winfried Wisniewski / White-backed Vulture (Gyps africanus) pair and Ruppell's Griffon (Gyps rueppellii), Serengeti National Park, Tanzania