American Crow vs Banggai Crow
Corvus brachyrhynchos 比較対象 Corvus unicolor
Side-by-Side Comparison
| 属性 | American Crow | Banggai Crow |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Corvus unicolor |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Critically Endangered |
| 体長 | 45.0 cm (17.7 in) | — |
| 翼開長 | 99.0 cm (39.0 in) | 40.2 cm (15.8 in) |
| 体重 | 450.0 g (15.87 oz) | 175.0 g (6.17 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 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.
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.
Banggai Crow
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Banggai Crow
保全状況
American Crow
Banggai Crow
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
Banggai Crow
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。
Banggai Crow
The Banggai Crow is a Critically Endangered corvid of the family Corvidae found only on Peleng Island in Indonesia. Weighing about 175g with a wingspan of 40.2cm, it is a large all-black crow restricted to one of the world's smallest ranges for any corvid. Deforestation and hunting have reduced its population to critically low numbers.