Birds

Wood duck

Aix sponsa

With its iridescent colours and elegantly crested head, the wood duck is one of the most beautiful ducks in North America, an inhabitant of woods and waters.

Characteristics

Scientific nameAix sponsa
Weight500–900 g
Lifespancirca 4-5 anni
SizeMedium: about 47-54 cm long
Energy3/5

Temperament

Tied to woods, elegant, rather shy

Diet

Omnivore: seeds, acorns, aquatic plants, insects

An iridescent jewel

The wood duck is one of the most spectacular and beloved ducks in North America. The male in particular displays a livery of extraordinary beauty: its head is adorned with a striking crest of feathers with green and purple sheens, crossed by elegant white lines, its eyes are a bright red, and its breast and flanks show warm tones and finely drawn details. The female, as in many ducks, has more sober greyish-brown colours, with a characteristic white ring around the eye, a discreet and camouflaged livery.

Habitat and distribution

It lives across much of North America, preferring bodies of water surrounded by woods: ponds, marshes, small lakes and slow watercourses lined with trees. It is in fact a duck closely tied to wooded environments, much more so than many other species. Introduced populations are also found in some parts of Europe.

Behaviour and nesting

The wood duck nests in tree cavities, even at considerable heights above the ground, a behaviour it shares with its Asian relative, the mandarin duck. Shortly after hatching, the ducklings perform a surprising feat: they bravely leap from the nest set high up and glide unharmed to the ground or water, thanks to their very light weight, then follow their mother. It feeds on seeds, acorns, aquatic plants and small invertebrates.

A recovery story

The wood duck is also a symbol of conservation success. In the early twentieth century, due to overhunting and habitat loss, the species suffered a sharp decline and fears were held for its survival. Thanks to protection measures, the regulation of hunting and the spread of artificial nest boxes, the populations recovered remarkably, becoming abundant again.

Conservation

Today the wood duck is classified as a species of least concern, with numerous and stable populations. Its story shows how much conservation efforts can make a difference. It nonetheless remains important to protect the wooded wetlands it needs for nesting and feeding.

Pros

  • Male plumage among the most beautiful in the world
  • Nests in trees, an unusual behaviour
  • A successful recovery and conservation story
  • Numerous and stable populations

Cons

  • The male loses its vivid colours out of season
  • Depends on wooded wetlands
  • Rather shy, not always easy to approach

FAQ

What is the difference between wood duck and mandarin duck?
They are close relatives, both of the genus Aix, and share the beauty of the male and tree nesting. The wood duck, however, is the North American species, with a green-sheened crested head and red eyes, while the mandarin is Asian.
Where does the wood duck nest?
In tree cavities, even at considerable heights above the ground. For this reason it is a duck closely tied to the wooded environments surrounding the bodies of water where it lives.
Is it true the ducklings leap from trees?
Yes. Shortly after hatching, the ducklings bravely leap from the nest set high up and glide unharmed to the ground or water, thanks to their very light weight, then follow their mother.
Was the wood duck at risk?
Yes. In the early twentieth century it suffered a sharp decline due to overhunting and habitat loss. Thanks to protection measures and artificial nest boxes, the populations then recovered remarkably.

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