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Magpie Goose
Anseranas semipalmata
Anseranatidae

Magpie Geese are widespread in northern Australia, where they may congregate in huge flocks, often comprising thousands of birds. They breed in large colonies late in the wet season, with the biggest recorded at Daly River in the Northern Territory — it covered 46 km2. The species was once also widespread in southern Australia, but disappeared from there largely due to the drainage of the wetlands where the birds once bred. There have been attempts to reintroduce Magpie Geese back into southern regions, but with varied degrees of success.

Magpie Goose
Anseranas semipalmata
Anseranatidae

Magpie Geese are widespread in northern Australia, where they may congregate in huge flocks, often comprising thousands of birds. They breed in large colonies late in the wet season, with the biggest recorded at Daly River in the Northern Territory — it covered 46 km2. The species was once also widespread in southern Australia, but disappeared from there largely due to the drainage of the wetlands where the birds once bred. There have been attempts to reintroduce Magpie Geese back into southern regions, but with varied degrees of success.
Identification
Description

The Magpie Goose has a black neck and head, with a characteristic knob on the crown (larger in males), which increases in size with age. The underparts are white, with contrasting black edges on the underwing. The bill, legs and feet are orange. The Magpie Goose differs from most waterfowl in having strongly clawed toes that are webbed only on their basal halves (i.e. only partly webbed). Females are slightly smaller than males.
Location
Distribution

The Magpie Goose is widespread throughout coastal northern and eastern Australia. It can be seen from Fitzroy River, Western Australia, through northern Australia to Rockhampton, Queensland, and has been extending its range into coastal New South Wales to the Clarence River and further south.
Behaviour
Feeding

Large, noisy flocks of up to a few thousand birds congregate to feed on aquatic vegetation. The Magpie Goose is a specialized feeder with wild rice, Oryza, Paspalum, Panicum and spike-rush, Eleocharis, forming the bulk of its diet.
Breeding

During the breeding season, Magpie Geese build nests in secluded places, usually close to wetlands. The nest is almost single-handedly constructed by the male. It usually consists of a simple unlined cup placed either in a floating platform of trampled reeds or built in tree-tops. Pairs of geese mate for life, but a male may have two females. Two females may occasionally use the same nest to lay the large, oval, off-white coloured eggs. All adults share incubation and care for the young.
Conservation Status
Federal

Secure
NSW

Vulnerable

NT

Secure

QLD

Secure

SA

Endangered

TAS

Not present

VIC

Endangered

WA

Secure

https://birdlife.org.au/bird-profile/magpie-goose

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John aka NitroX

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