David Woodfall / Mute Swan (Cygnus olor) pair in flooded agricultural land adjacent to River Severn, 10th February 2014.

Enrique Lopez-Tapia / Egyptian geese (Alopochen aegyptiaca) Big Hippo Lagoon, Orango Island, Guinea-Bissau.

Luiz Claudio Marigo / Band of Black-bellied Whistling-ducks (Dendrocygna autumnalis) on the shore of Piquiri River, Pantanal, Mato Grosso State, Western Brazil.

Roy Mangersnes / Female Longtailed duck (Clangula hyemalis) resting among flowering Purple saxifraga (Saxifraga oppositifolia) outside Longyearbyen, Spitsbergen, Svalbard, Norway, July.

Peter Cairns / Mallard (Anas platyrhynchos) duck upending dabbling in loch, Cairngorms National Park, Scotland, July.

Peter Cairns / Snow Geese (Chen caerulescens) taking off en-masse in evening light, Bosque del Apache, New Mexico, USA, December.

Peter Cairns / Mallard (Anas platyrhynchos) drake silhouetted on ice, Scotland, UK, February.

Peter Cairns / Snow Goose (Chen caerulescens) in flight in evening light, Bosque del Apache, New Mexico, USA, December.

Peter Cairns / Snow Geese (Chen caerulescens) on roost pond at dawn. Bosque del Apache, New Mexico, USA, December.

Peter Cairns / Snow Goose (Chen caerulescens) with beak under wing at dawn, Bosque del Apache, New Mexico, USA, December.

Roy Mangersnes / Female Common eider duck (Somateria mollissima) portrait, near Longyearbyen, Spitsbergen, Svalbard, Norway, July.

Roy Mangersnes / Barnacle geese (Branta leucopsis) on wetlands, near Longyearbyen, Spitsbergen, Svalbard, Norway, July.