Kori Bustard (Ardeotis kori ) flying, Chobe River, Botswana

Adult wandering albatross (Diomedea exulans) in flight near the Tristan da Cunha Group, South Atlantic Ocean

Adult wandering albatross (Diomedea exulans) on the wing near the Antarctic Peninsula, Southern Ocean, Polar Regions

Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

The Marabou Stork, Leptoptilos crumeniferus, is a large wading bird in the stork family Ciconiidae. It has the largest wingspan of any landbird (at least 3.5m). Here you see it by a lake on Kagera National Park, Rwanda. Kagera National Park, Rwanda, East Africa

An adult Chilean Skua (Stercorarius chilensis) in flight. The Chilean Skua is a large predatory seabird. Skuas are seabirds in the family Stercorariidae.

Wandering Albatross (Diomendea exulans) in courtship behaviour, Island of South Georgia