Ann & Steve Toon / Egyptian goose (Alopochen aegyptiaca) with goslings, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Wim van den Heever / Egytian Goose (Alopochen aegyptiaca) rear view bathing, sings spread, Zimanga Private Game Reserves, South Africa

David Pattyn / Shelduck (Tadorna tadorna) male trying to grab a female to mate with her. The Netherlands. April.

David Pattyn / Shelduck (Tadorna tadorna) portrait. The Netherlands. April.

David Pattyn / Egyptian goose (Alopochen aegyptiacus) portrait. The Netherlands. June 2014

Roger Powell / Pair of Common shelduck (Tadorna tadorna) escorting their chicks. Cresswell Ponds Nature Reserve, Druridge Bay, Northumberland, England, UK, June.

Loic Poidevin / Egyptian Goose (Alopochen aegyptiaca) foraging in grass, Masai Mara, Kenya. March.

Ingo Arndt / Upland goose (Chloephaga picta) pair. Torres del Paine National Park, Patagonia, Chile. August.

Dong Lei / Ruddy Shelduck (Tadorna ferruginea) Mt Shishapangma, Mt Qomolangma National Park, Qinghai Tibet Plateau, China.

Loic Poidevin / Egyptian goose (Alopochen aegyptiaca) swimming through water lettuce with goslings, Masai Mara River, Kenya, March

Staffan Widstrand / Egyptian goose (Alopochen aegyptiacus) with wings spread at water, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Staffan Widstrand / Egyptian goose (Alopochen aegyptiacus) bathing, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa