Emu vs European Roller
Dromaius novaehollandiae 比較対象 Coracias garrulus
Side-by-Side Comparison
| 属性 | Emu | European Roller |
|---|---|---|
| 学名 | Dromaius novaehollandiae | Coracias garrulus |
| 目 | Casuariiformes | Coraciiformes |
| 科 | Dromaiidae | Coraciidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 175.0 cm (68.9 in) | 31.0 cm (12.2 in) |
| 翼開長 | 20.0 cm (7.9 in) | 66.0 cm (26.0 in) |
| 体重 | 45000.0 g (1587.33 oz) | 130.0 g (4.59 oz) |
| 食性 | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … |
| 一腹卵数 | 5-24 | 3-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Emu
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
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.
European Roller
A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.
Geographic Range & Migration
Emu
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
保全状況
Emu
European Roller
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
European Roller
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
Short, stout, dark hooked bill
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。
European Roller
ヨーロッパで最も色彩豊かな鳥の一つで、求愛時にローリングと呼ばれる独特の空中飛翔を行う。