American Crow vs イヌワシ
Corvus brachyrhynchos 比較対象 Aquila chrysaetos
Side-by-Side Comparison
| 属性 | American Crow | イヌワシ |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Aquila chrysaetos |
| 目 | Passeriformes | Accipitriformes |
| 科 | Corvidae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 45.0 cm (17.7 in) | 81.0 cm (31.9 in) |
| 翼開長 | 99.0 cm (39.0 in) | 212.0 cm (83.5 in) |
| 体重 | 450.0 g (15.87 oz) | 4050.0 g (142.86 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … |
| 一腹卵数 | 3-7 | 1-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
イヌワシ
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
イヌワシ
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
イヌワシ
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
保全状況
American Crow
イヌワシ
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
イヌワシ
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
About These Birds
American Crow
北米全域に広く分布する大型のカラス（体長40〜53cm）。全身光沢のある黒で、知性が高く強い社会性を持つ。Corvus brachyrhynchos（アメリカガラス）は北米で最もよく見られるカラスで、交通量の多い道路に堅い木の実を置いて車に割らせる「道具使用」が観察されている。Corvidae科。
イヌワシ
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.