Emu vs Mallard

Dromaius novaehollandiae 比較対象 Anas platyrhynchos

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Side-by-Side Comparison

属性 Emu Mallard
学名 Dromaius novaehollandiae Anas platyrhynchos
Casuariiformes Anseriformes
Dromaiidae Anatidae
保全状況 Least Concern Least Concern
体長 175.0 cm (68.9 in) 58.0 cm (22.8 in)
翼開長 20.0 cm (7.9 in) 90.0 cm (35.4 in)
体重 45000.0 g (1587.33 oz) 1100.0 g (38.80 oz)
食性 Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing …
一腹卵数 5-24 4-18
Population Trend
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Size Comparison

Body Length
Emu 175.0 cm
Mallard 58.0 cm
翼開長
Emu 20.0 cm
Mallard 90.0 cm
体重
Emu 45000.0 g
Mallard 1100.0 g
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Habitat Comparison

共通生息地

Emu only

Mallard only

Emu

Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.

Mallard

Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.

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Song & Call Comparison

Emu

さえずり

Deep, resonant booming grunt 'e-moo', often repeated 3 times. Females give a deep drumming call produced by an inflatable throat pouch. Generally low-pitched and far-carrying.

Mallard

さえずり

Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.

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Geographic Range & Migration

Emu

Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.

Mallard

Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.

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保全状況

Least Concern

Emu

Least Concern

Mallard

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How to Tell Them Apart

Emu

羽毛

Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.

くちばし

Broad, flat, dark grey bill

Mallard

羽毛

Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.

くちばし

Broad, flat bill — yellow-green in males, orange-brown in females

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About These Birds

Emu

オーストラリア固有の世界第二位の大型鳥類。1932年の「エミュー戦争」で知られる。飛べないが速く走れる。

Mallard

世界で最も一般的なカモ。雄は光沢のある緑色の頭、白い首輪、栗色の胸が特徴。体長50〜65cm。ほぼ世界中の湖、川、池、湿地に生息。雑食性で植物や無脊椎動物を食べる。多くの家禽カモの祖先。低危険種。

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