American Crow vs Common Myna
Corvus brachyrhynchos 比較対象 Acridotheres tristis
Side-by-Side Comparison
| 属性 | American Crow | Common Myna |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Acridotheres tristis |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Sturnidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 45.0 cm (17.7 in) | 25.0 cm (9.8 in) |
| 翼開長 | 99.0 cm (39.0 in) | 38.0 cm (15.0 in) |
| 体重 | 450.0 g (15.87 oz) | 120.0 g (4.23 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. |
| 一腹卵数 | 3-7 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
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.
Common Myna
A noisy, cackling chatter and melodious whistling mixed together. An accomplished mimic of other birds and sounds. Gives repeated 'mee-ow' and harsh 'quarr' alarm calls.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Common Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
保全状況
American Crow
Common Myna
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
Common Myna
Brown body with a glossy black hood, yellow bill, and bare yellow skin behind the eye. White wing patches conspicuous in flight. Yellow legs.
Strong, slightly curved yellow bill
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。
Common Myna
ハッカチョウ（Acridotheres tristis）— 南アジア原産で世界各地に移入された強い適応力をもつムクドリ科の鳥。黄色い嘴と目の周りの黄色い皮膚が特徴。