American Crow vs 亚马逊鹦鹉
Corvus brachyrhynchos 对比 Amazona aestiva
Side-by-Side Comparison
| 属性 | American Crow | 亚马逊鹦鹉 |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Amazona aestiva |
| 目 | Passeriformes | Psittaciformes |
| 科 | Corvidae | Psittacidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | 45.0 cm (17.7 in) | 36.0 cm (14.2 in) |
| 翼展 | 99.0 cm (39.0 in) | 55.0 cm (21.7 in) |
| 体重 | 450.0 g (15.87 oz) | 400.0 g (14.11 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Seeds, nuts, fruits, berries, and flowers. Feeds in tree canopy in noisy flocks. Occasionally raids … |
| 产卵数 | 3-7 | 1-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
亚马逊鹦鹉
Tropical and subtropical forests, woodland, savanna, and palm groves in South America.
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.
亚马逊鹦鹉
Loud, raucous squawking and screaming calls. Capable of impressive vocal mimicry including human speech. Contact call is a rolling 'arr-arr'. Highly vocal in social groups.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
亚马逊鹦鹉
Interior of South America including Brazil, Bolivia, Paraguay, and northern Argentina.
保护状况
American Crow
亚马逊鹦鹉
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
亚马逊鹦鹉
Green body with a turquoise-blue forehead, yellow face, and red and blue wing patches. Red at the bend of the wing visible in flight.
Strong, hooked, dark grey upper mandible with a paler lower mandible
About These Birds
American Crow
美洲乌鸦（学名Corvus brachyrhynchos）是北美最常见、最广为人知的智慧鸟类之一。研究表明乌鸦能记住人脸，并在鸟类中表现出最高水平的工具使用能力。体全黑，成群活动。属鸦科（Corvidae），杂食性，高度适应人类环境。
亚马逊鹦鹉
The turquoise-fronted amazon is one of the most popular pet parrots in the world, prized for its ability to mimic human speech and its engaging personality. In the wild, these sociable parrots roost communally in large flocks and fly in pairs to feeding sites at dawn. Habitat loss and trapping for the pet trade threaten wild populations.