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Wonders of the real world

Wonders of ducks

Ducks (members of the family Anatidae)

The real duck on the water

Ducks are waterbirds in the same family as swans and geese. Here are three true things about them.

Almost everywhere

Ducks are found on every continent except Antarctica. They live on both fresh water and sea water.

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Named for diving

The word "duck" comes from the Old English word for "diver". It comes from a verb meaning "to dive", or to duck down low.

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Grounded for a while

Many kinds of duck cannot fly for a time while they moult their feathers. During this time they look for a safe place with plenty of food.

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A fluffy brown and yellow duckling jumping out of a hole high in a tree trunk.

A mandarin duckling leaping from its nest hole high in a tree

First leap

Ducklings that jump from a tree

A female mandarin duck will build her nest in a hole in a tree, or in a nesting box, up to about 9 metres above the ground. The male guards the nest, but he does not help to keep the eggs warm. Soon after hatching, the ducklings leap from the nest to the ground when their mother calls. A typical brood has nine to twelve of them. These flexible little chicks land unhurt, then follow their mother to the water to feed. At one wetland reserve, staff put an old plastic water barrel in a tree, hoping owls would nest in it. A female mandarin moved in instead.

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Quack, quack

Not every duck says quack

We often say that ducks go "quack". Yet most kinds of duck do not quack. The classic quack comes from female mallards and several other ducks, such as the common teal and the northern pintail. Male mallards make a similar but raspier sound. Ducks also make many other calls, including whistles, cooing, yodels and grunts. The scaup, a diving duck, makes a noise like "scaup", which is how it got its name. There is also an old story that a duck's quack does not echo. In 2003, the Acoustics Research Centre at the University of Salford showed that this is not true.

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Three remarkable ducks

A black-and-white male eider and a brown female eider floating on the sea near a rocky shore.

A male and female common eider on the sea near a rocky shore

Common eider

Somateria mollissima

The eider is the UK's heaviest and fastest flying duck. It is a true sea duck, and it is rarely found away from coasts.

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A torrent duck with a black and white striped head and red beak on a rock in a rushing river.

A torrent duck on a rock in a rushing mountain river

Torrent duck

Merganetta armata

This duck lives in the Andes of South America, on fast-flowing mountain rivers, usually above 1,500 metres. It is a powerful swimmer and diver, even in white water.

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A big grey steamer duck splashing across the water, flapping its short wings.

A Falkland steamer duck paddling across the water with its wings

Falkland steamer duck

Tachyeres brachypterus

This duck lives on the Falkland Islands and cannot fly. Steamer ducks get their name from the way they flap their wings and feet on the water, a little like an old paddle steamer.

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The pictures on this page are AI-generated illustrations. The facts are checked against the sources linked.