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Chenonetta jubata

Chenonetta jubata, Photo: Michael Lahanas

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Euornithes
Cladus: Ornithuromorpha
Cladus: Ornithurae
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Galloanseres
Ordo: Anseriformes

Familia: Anatidae
Subfamilia: Anatinae
Genus: Chenonetta
Species: Chenonetta jubata
Name

Chenonetta jubata (Latham, 1801)

Original combination: Anas jubata

Vernacular names
العربية: بطة خشبية
čeština: Kachnička hřívnatá
Deutsch: Mähnengans
English: Australian wood duck
español: Pato de crin
suomi: Lyijysorsa
français: Canard à crinière
Gaeilge: Gé mhongach
עברית: ברווז עצים אוסטרלי
magyar: Sörényes lúd
Bahasa Indonesia: Bebek kayu-australia
italiano: Anatra arboricola australiana
日本語: タテガミガン
Nederlands: Manengans
norsk: Mankeand
polski: Grzywienka zwyczajna
svenska: Manand

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);[2] the ringed teal may be its closest living relative.[3]

Taxonomy

The Australian wood duck was first described by the English ornithologist John Latham in 1801 under the binomial name Anas jubata.[4]

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.[5] 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.[6])
Etymology

Chenonetta: Greek: χην khēn, χηνος khēnos “goose”; νηττα nētta “duck”.[7]
jubata: Latin: iubatus “maned, crested”, from iuba “mane, crest”[8]
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.[9]
Behaviour
Call

The most common call is a loud, rising croaky gnow sound by the females,[10] and the male call is the same except smoother, shorter and higher than the females. Staccato chattering is also present in flocks.[10]
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

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.[10] 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.

References

BirdLife International (2016). "Chenonetta jubata". IUCN Red List of Threatened Species. 2016: e.T22680111A92844188. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680111A92844188.en. Retrieved 12 November 2021.
Sraml, M.; Christidis, L.; Easteal, S.; Horn, P.; Collet, C. (1996). "Molecular Relationships Within Australasian Waterfowl (Anseriformes)". Australian Journal of Zoology. 44 (1): 47–58. doi:10.1071/ZO9960047.
Johnson, Kevin P; Sorenson, Michael D (July 1999). "Phylogeny and Biogeography of Dabbling Ducks (Genus: Anas): A Comparison of Molecular and Morphological Evidence" (PDF). The Auk. University of California Press on behalf of the American Ornithologists' Union. 116 (3): 792–805. doi:10.2307/4089339. JSTOR 4089339.
Latham, John (1801). Supplementum indicis ornithologici sive systematis ornithologiae (in Latin). London: Leigh & Sotheby. p. lxix.
Worthy, Trevor H.; Olson, Storrs L. (2002). "Relationships, adaptations, and habits of the extinct duck 'Euryanas' finschi" (PDF). Notornis. Ornithological Society of New Zealand. 49 (1): 1–17.
Tennyson, A; Martinson, P. (2006). Extinct Birds of New Zealand. Wellington: Te Papa Press. ISBN 978-0-909010-21-8.
Jobling, J.A. (2017). "Key to Scientific Names in Ornithology". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (2018) (eds.). Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions.
Jobling, J.A. (2017). "Key to Scientific Names in Ornithology". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (2018) (eds.). Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions.
"Australian Wood Ducks breed in Mapua, Tasman". Stuff.co.nz. Stuff.co.nz. Retrieved 14 January 2019.

Pizzey, G. and Knight, F. (1997). Field Guide to the Birds of Australia. Angus and Robertson, Sydney.

Madge, Steve & Burn, Hilary (1987): Wildfowl : an identification guide to the ducks, geese and swans of the world. Christopher Helm, London. ISBN 0-7470-2201-1

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 - ISBN 84-87334-10-5

Guide De Canards, des oies et des cygnes – de Steve Madge - Delachaux et Niestlé - ISBN 2-603-01376-9

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