オカメインコ vs Common Raven
Nymphicus hollandicus 比較対象 Corvus corax
Side-by-Side Comparison
| 属性 | オカメインコ | Common Raven |
|---|---|---|
| 学名 | Nymphicus hollandicus | Corvus corax |
| 目 | Psittaciformes | Passeriformes |
| 科 | Cacatuidae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 32.0 cm (12.6 in) | 63.0 cm (24.8 in) |
| 翼開長 | 40.0 cm (15.7 in) | 130.0 cm (51.2 in) |
| 体重 | 90.0 g (3.17 oz) | 1200.0 g (42.33 oz) |
| 食性 | Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, … | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … |
| 一腹卵数 | 1-7 | 1-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
オカメインコ
Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Song & Call Comparison
オカメインコ
A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
Geographic Range & Migration
オカメインコ
Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
保全状況
オカメインコ
Common Raven
How to Tell Them Apart
オカメインコ
Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.
Short, curved, grey bill
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
About These Birds
オカメインコ
The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.
Common Raven
ワタリガラス（Corvus corax）— 北半球に広く分布する最大のスズメ目の鳥。高い知性をもち、道具を使うことや問題解決能力が知られている。