American Crow vs Thick-billed Raven
Corvus brachyrhynchos से तुलना Corvus crassirostris
Side-by-Side Comparison
| विशेषता | American Crow | Thick-billed Raven |
|---|---|---|
| वैज्ञानिक नाम | Corvus brachyrhynchos | Corvus crassirostris |
| गण | Passeriformes | Passeriformes |
| कुल | Corvidae | Corvidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | 45.0 cm (17.7 in) | — |
| पंखों का फैलाव | 99.0 cm (39.0 in) | 89.4 cm (35.2 in) |
| वजन | 450.0 g (15.87 oz) | 1135.0 g (40.04 oz) |
| आहार | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| अंडों की संख्या | 3-7 | 4 |
| 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.
Thick-billed Raven
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Thick-billed Raven
संरक्षण स्थिति
American Crow
Thick-billed Raven
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
Thick-billed Raven
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.