American Crow vs Torresian Crow
Corvus brachyrhynchos в сравнении с Corvus orru
Side-by-Side Comparison
| Характеристика | American Crow | Torresian Crow |
|---|---|---|
| Научное название | Corvus brachyrhynchos | Corvus orru |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Corvidae | Corvidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | 45,0 cm (17.7 in) | — |
| Размах крыльев | 99,0 cm (39.0 in) | 65,5 cm (25.8 in) |
| Масса | 450,0 g (15.87 oz) | 517,0 g (18.24 oz) |
| Питание | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| Размер кладки | 3-7 | 1-7 |
| 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.
Torresian Crow
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Torresian Crow
Охранный статус
American Crow
Torresian 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
Torresian Crow
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.