Emu vs Mandarin Duck
Dromaius novaehollandiae 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | Emu | Mandarin Duck |
|---|---|---|
| 学名 | Dromaius novaehollandiae | Aix galericulata |
| 目 | Casuariiformes | Anseriformes |
| 科 | Dromaiidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 175.0 cm (68.9 in) | 44.0 cm (17.3 in) |
| 翼開長 | 20.0 cm (7.9 in) | 70.0 cm (27.6 in) |
| 体重 | 45000.0 g (1587.33 oz) | 570.0 g (20.11 oz) |
| 食性 | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 5-24 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Emu
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
Emu
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.
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Geographic Range & Migration
Emu
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
保全状況
Emu
Mandarin Duck
How to Tell Them Apart
Emu
Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.
Broad, flat, dark grey bill
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
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。
Mandarin Duck
オシドリ。東アジア原産の美しいカモ。雄は鮮やかなオレンジ色の「帆羽」と複雑な羽毛模様が特徴的。体長41〜49cm。森林の池や川に生息し、樹洞に巣を作る。ドングリや水草を食べる。低危険種。