Common Raven vs コンゴウインコ
Corvus corax 比較対象 Ara macao
Side-by-Side Comparison
| 属性 | Common Raven | コンゴウインコ |
|---|---|---|
| 学名 | Corvus corax | Ara macao |
| 目 | Passeriformes | Psittaciformes |
| 科 | Corvidae | Psittacidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 63.0 cm (24.8 in) | 85.0 cm (33.5 in) |
| 翼開長 | 130.0 cm (51.2 in) | 110.0 cm (43.3 in) |
| 体重 | 1200.0 g (42.33 oz) | 1000.0 g (35.27 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Fruits, nuts, seeds, and flowers from rainforest canopy trees. Visits clay licks to detoxify compounds … |
| 一腹卵数 | 1-8 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
コンゴウインコ
Humid tropical lowland rainforests, gallery forests, and forest edges. Requires large mature trees with cavities for nesting.
Song & Call Comparison
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.
コンゴウインコ
Very loud, raucous squawking screams 'araak-araak'. Also gives chattering contact calls in pairs. Capable of mimicking human speech in captivity. Highly vocal throughout the day.
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
コンゴウインコ
Southern Mexico through Central America to Amazonian South America, including Peru, Bolivia, Brazil, and Colombia.
保全状況
Common Raven
コンゴウインコ
How to Tell Them Apart
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
コンゴウインコ
Brilliant scarlet red body with bright yellow wing coverts and blue flight feathers and tail. Large white bare facial patch around the eye.
Large, strongly curved bill — pale horn upper mandible, dark lower mandible
About These Birds
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。
コンゴウインコ
The scarlet macaw is one of the most iconic tropical birds with its dazzling tricolor plumage. These highly intelligent parrots form lifelong pair bonds and can live over 75 years in captivity. They play an important ecological role as seed dispersers in Neotropical rainforests.