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Australian wood duck
Chenonetta jubata female 2.jpg
Adult female
Australian wood duck - male.jpg
Adult male
Conservation status
Scientific classification
Genus:
Chenonetta
Species:
jubata
Chenonetta jubata distribution map.png
Range in red

The Australian wood duck, maned duck or maned goose (Chenonetta jubata) is a dabbling duck found throughout much of Australia. It is the only living species in the genus Chenonetta. Traditionally placed in the subfamily Anatinae (dabbling ducks), it might belong to the subfamily Tadorninae (shelducks); the ringed teal may be its closest living relative.

Taxonomy

The Australian wood duck was first described by the English ornithologist John Latham in 1801 under the binomial name Anas jubata.

The flightless New Zealand species Chenonetta finschi (Finsch's duck) which was formerly believed to constitute a monotypic genus (Euryanas) has been determined to belong to Chenonetta. It became extinct before scientists could properly survey the New Zealand avifauna, but possibly as late as 1870 (based on a report of a flightless goose caught in Opotiki.)

Etymology

Chenonetta: Greek: χην khēn, χηνος khēnos “goose”; νηττα nētta “duck”.
jubata: Latin: iubatus “maned, crested”, from iuba “mane, crest”

Description

This 45–51 cm duck looks like a small goose, and mostly feeds by grazing in flocks.

The male is grey with a dark brown head and mottled breast. The female has white stripes above and below the eye and mottled underparts. Both sexes have grey wings with black primaries and a white speculum. Juveniles are similar to adult females, but lighter and with a more streaky breast.

Distribution and habitat

The Australian wood duck is widespread in Australia, including Tasmania. The Australian wood duck is found in grasslands, open woodlands, wetlands, flooded pastures and along the coast in inlets and bays. It is also common on farmland with dams, as well as around rice fields, sewage ponds and in urban parks. It will often be found around deeper lakes that may be unsuitable for other waterbirds' foraging, as it prefers to forage on land. It has been recorded as a vagrant in New Zealand, although in 2015 and 2016 a pair successfully bred there.

Behaviour

Call

The most common call is a loud, rising croaky gnow sound by the females, and the male call is the same except smoother, shorter and higher than the females. Staccato chattering is also present in flocks.

Protection

Australian wood duck is widespread in its range. This species has benefited from agriculture developments, with creation of dams and pools. It is classified as a game bird, and killed by licensed hunters. This species is not threatened, and numbers are stable.

Reproduction

Chenonetta jubata MHNT.ZOO.2010.11.17.4
Chenonetta jubata - MHNT

Australian wood duck nests in cavities in trees or in nest-boxes above or near water. Nests are made with a pile of down.

Breeding

This duck nests in a tree cavity laying 9–11 cream-white eggs, similar to the Mandarin ducks. The female incubates them while the male stands guard. Once the ducklings are ready to leave the nest, the female flies to the ground and the duckling will leap to the ground and follow their parents. The males also secure their ducklings closely along with the females.

Feeding

The Australian wood duck eats grasses, grains, clover and other herbs, and occasionally, insects. It is rarely seen on open water, preferring to forage by dabbling in shallow water, or in grasslands and crops.

Similar species

The Australian wood duck can be distinguished from pygmy geese, Nettapus spp, which are smaller, have bold white face markings and are usually seen on water. Whistling ducks, Dendrocygna spp, have longer legs and necks, larger more duck-like bills and tend to walk more upright. When flying, the Australian wood duck is the only duck with white secondary feathers and dark wingtips.

Various views and plumages

  • Madge, Steve & Burn, Hilary (1987): Wildfowl : an identification guide to the ducks, geese and swans of the world. Christopher Helm, London.

Marchant, S. and Higgins, P.J. (eds). 1993. Handbook of Australian, New Zealand and Antarctic Birds. Vol 1B (Ratites to Ducks), Oxford University Press, Sydney.

Simpson, K and Day, N. (1999). Field guide to the birds of Australia, 6th Edition. Penguin Books, Australia.

Handbook of the Birds of the World vol 1 by Josep del Hoyo-Andrew Elliot-Jordi Sargatal - Lynx Edicions -

Guide De Canards, des oies et des cygnes – de Steve Madge - Delachaux et Niestlé -

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