Black-necked stork, Queensland, Australia

Great Blue Heron, Ardea herodias, on riverbank in the Everglades, Florida, USA

Great Blue Heron, Ardea herodias, in the Everglades, Florida, USA

Black-necked stork, Queensland, Australia

Great Blue Heron, Ardea herodias, river scene in the Everglades, Florida, USA

Brolga, Queensland, Australia

Black-crowned Night Heron, Nycticorax nycticorax, in The Everglades, Florida, USA

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

Eurasian spoonbill (Platalea leucorodia) wading in the water, Kiskunsagi National Park, Pusztaszer, Hungary

A large flock of flamingos standing in the shallow water of Walvis Bay, Sossusvlei, Hardap Region, Namibia