View of wildlife on Tjornin lake and Lutheran Free Church on a sunny day in winter, Reykjavik, Iceland

A flock of white-faced whistling ducks (Dendrocygna viduata), Zambezi River, Mosi-oa-Tunya National Park, Zambia, Africa

View of swans and ducks with City Hall in background in the city centre of Reykjavik in winter, Reykjavik, Iceland

View of swans and ducks with Lutheran Free Church in background in the city centre of Reykjavik at dusk in winter, Reykjavik, Iceland

View of swans and ducks with Lutheran Free Church in background in the city centre of Reykjavik at dusk in winter, Reykjavik, Iceland

Lake Bled, Slovenia, Europe

View of swans and ducks with colourful buildings and city skyline in background in the city centre of Reykjavik in winter, Reykjavik, Iceland

View of swans and ducks with Iceland model building in the city centre of Reykjavik in winter, Reykjavik, Iceland

View of swans and ducks with colourful buildings and city skyline in background in the city centre of Reykjavik in winter, Reykjavik, Iceland

View of swans and ducks with Lutheran Free Church in background in the city centre of Reykjavik in winter, Reykjavik, Iceland

Wigeon (Anas penelope) flock in flight over frozen, flooded marshland on a foggy winter morning, with some drakes calling, Greylake RSPB reserve, Somerset Levels, UK.

Adult surf scoter (Melanitta perspicillata) taking flight in Glacier Bay National Park, Southeast Alaska, USA, Pacific Ocean.

The endemic South Georgia pintail (Anas georgica georgica) on the banks of a small stream just outside the abandoned whaling station at Grytviken on South Georgia in the Southern Atlantic Ocean.

Eider male and female (Somateria mollissima) flying into land in a raft. Eiders raft together in winter, the males all squabiling together, preening, diving and flapping. Eiders come from all over to raft together , Scotland

A flock of Mallard ducks feeding on the edge of Lake Windermere in Ambleside, Lake District, Cumbria, England, United Kingdom, Europe

Eider Drake and female (Somateria mollissima) calling and interacting in raft with sun setting. Eiders raft together in winter, the males all squabbling together, preening, diving and flapping. Eiders come from all over to raft together, Scotland

Eider duck (Somateria mollissima), male and female. Raft takes flight as it nears a moored boat.

A woman feeding Mallard Ducks on the shores of Lake Windermere at Ambleside, Cumbria, England, United Kingdom, Europe

Mallard ducks on a snow covered frozen lake near Penrith, Cumbria, England, United Kingdom, Europe

Faure near Stellenbosch, Western cape, South Africa. Indian Runner ducks being herded. They are used in the vines to control snails and pests and on parade for tourists.

Faure, Stellenbosh, South Africa, The flock of Indian Runner ducks waddle past the homestead at Vergenoegt wine estate at Faure. Popular tourist attraction.

Faure near Stellenbosch, Western cape, South Africa. Indian Runner ducks being herded. They are used in the vines to control snails and pests and on parade for tourists.

Faure near Stellenbosch, Western cape, South Africa. Indian Runner ducks being herded. They are used in the vines to control snails and pests and on parade for tourists.

Ducks Flying in Evening View

White-faced Whistling Duck in flight, Djoudj National Bird Sanctuary, Republic of Senegal, Africa

Kettuvallom Houseboat, Kumarakom Backwaters, Kerala, India, Asia

Ducks. Mallard Ducks Flush Out've A Pond In Anchorage During Winter, 2012. Cuddy Park. Southcentral Alaska.

Harlequin ducks (Histrionicus histrionicus) take to flight in Little Tutka Bay, on the South side of Kachemak Bay, near Homer; Alaska, United States of America

Duck herding, Battambang, Cambodia

Flock of migrating mallard ducks flying over hills and field at sunset

Flock of migrating mallard ducks flying over fields and trees at sunset

Flock of migrating mallard ducks flying over fields and trees at sunset