Anup Shah / African fish eagle {Haliaeetus vocifer} defends Lesser flamingo carcass from Marabou storks {Leptoptilos crumeniferus}, Lake Nakuru, Kenya.

Anup Shah / African fish eagle {Haliaeetus vocifer} fighting Marabou storks {Leptoptilos crumeniferus} over Lesser flamingo carcass, Lake Nakuru, Kenya.

Guy Edwardes / African fish eagle (Haliaeetus vocifer), Savuti, Botswana.

Michel Roggo / View of African fish eagle (Haliaeetus vocifer),from underwater, trying to catch a fish on the surface, Okavango Delta, Botswana, June. Photographed for The Freshwater Project

Ann & Steve Toon / African fish eagle (Haliaeetus vocifer) flying, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Neil Aldridge / African fish eagle (Haliaeetus vocifer) flying, Selinda Spillway, northern Botswana.

Neil Aldridge / African fish eagle (Haliaeetus vocifer) standing on the banks of the Chobe River, Chobe National Park, Botswana.

Lou Coetzer / African fish eagle (Haliaeetus vocifer) in flight with Catfish in claws, Chobe River, Botswana.

Eric Baccega / African fish eagle (Haliaeetus vocifer) fishing, Baringo lake, Kenya, Africa.

Mark Carwardine / A cloud of Straw-coloured fruit bats (Eidolon helvum) with an immature African fish eagle (Haliaeetus vocifer) flying amongst them, Kasanka National Park, Zambia, Africa

Winfried Wisniewski / African Fish Eagle (Haliaeetus vocifer) striking at fish, Chobe National Park, Botswana

Sergey Gorshkov / African Fish Eagle (Haliaeetus vocifer) displaying as another adult comes in for landing, Botswana