Plumed whistling duck
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The plumed whistling duck (Dendrocygna eytoni), also called the grass whistling duck, is a whistling duck that breeds in Australia. It is a predominantly brown-coloured duck with a long neck and characteristic plumes arising from its flanks. The sexes are similar in appearance.
TaxonomyEdit
Described by English naturalist Thomas Campbell Eyton in 1838, its specific epithet honours its namer. Its generic name is derived from the Ancient Greek terms dendron "tree", and kuknos (via Latin cygnus) "swan".<ref name=Liddell1980>Template:Cite book</ref> Alternate common names include; Eyton's plumed, red-legged or whistling tree-duck, and grey or red-legged whistler.
DescriptionEdit
Measuring Template:Convert and weighing around Template:Convert, it is a long-necked duck with brown upperparts, paler underparts and a white rump. The chest is chestnut with thin black bars, while long black-margined plumes arise from its flanks. Its bill and legs are pink, and its iris is yellow. The male and female are similar in appearance.<ref name = "Simpsday">Template:Cite book</ref> The species has a characteristic lowered neck and short, dark, rounded wings while flying.<ref name=Slater70>Template:Cite book</ref>
The call is a characteristic whistle which gives the bird its common name.<ref name=Slater70/>
- Dendrocygna eytoni - Macquarie University.jpg
New South Wales, Australia
- Dendrocygna eytoni 2 - Macquarie University.jpg
Swimming with plumes visible.
- Plumed Whistling Duck.ogv
Gatton, SE Queensland, Australia
- Plumed Whistling Ducks.jpg
Group of plumed whistling ducks
Distribution and habitatEdit
The range is eastern, northern and central Australia from the Kimberley across the Top End and Cape York, down to southern Queensland and northern New South Wales on the east coast, although may reach north-western Victoria inland, in the vicinity of the Murray River.<ref name=Ber93/> It is also found in New Guinea. The preferred habitat is tall grassland and savanna, often near bodies of water.
FeedingEdit
Rather than diving for food in bodies of water like other ducks, the plumed whistling duck feeds by cropping grass on land.<ref>Template:Cite book</ref>
BreedingEdit
The plumed whistling duck breeds during the wet season, generally in January to March, although it can be later in April or, in a few cases, May. One brood is raised per season. The nest is a mattress of grasses or similar material in tall grass, or in or near vegetation as cover. Ten to 12 oval eggs are laid, measuring Template:Convert; 14 or more have been recorded on occasion. Initially shiny and creamy-coloured, they may become stained.<ref name=Ber93>Template:Cite book</ref> The incubation period is around 30 days.