American Crow vs Amami Jay
Corvus brachyrhynchos в сравнении с Garrulus lidthi
Side-by-Side Comparison
| Характеристика | American Crow | Amami Jay |
|---|---|---|
| Научное название | Corvus brachyrhynchos | Garrulus lidthi |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Corvidae | Corvidae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | 45,0 cm (17.7 in) | — |
| Размах крыльев | 99,0 cm (39.0 in) | 34,8 cm (13.7 in) |
| Масса | 450,0 g (15.87 oz) | 125,0 g (4.41 oz) |
| Питание | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| Размер кладки | 3-7 | 3-5 |
| 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.
Amami Jay
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Amami Jay
Охранный статус
American Crow
Amami Jay
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
Amami Jay
About These Birds
American Crow
The American crow is one of North America's most familiar and intelligent birds. Research has shown they can recognize individual human faces and communicate perceived threats to other crows. They form large winter roosts of up to hundreds of thousands of individuals in some cities.
Amami Jay
The Amami Jay is a vulnerable corvid weighing 125 g with a broad 34.8 cm wingspan, endemic to the Amami Islands of southern Japan. It has striking blue and chestnut plumage and inhabits subtropical broadleaf forests where it caches food.