American Crow vs harpie féroce
Corvus brachyrhynchos comparé à Harpia harpyja
Side-by-Side Comparison
| Attribut | American Crow | harpie féroce |
|---|---|---|
| Nom scientifique | Corvus brachyrhynchos | Harpia harpyja |
| Ordre | Passeriformes | Accipitriformes |
| Famille | Corvidae | Accipitridae |
| Statut de conservation | Least Concern | Vulnerable |
| Longueur | 45,0 cm (17.7 in) | 100,0 cm (39.4 in) |
| Envergure | 99,0 cm (39.0 in) | 200,0 cm (78.7 in) |
| Poids | 450,0 g (15.87 oz) | 7500,0 g (264.55 oz) |
| Régime alimentaire | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| Taille de la couvée | 3-7 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
harpie féroce
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
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.
harpie féroce
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
harpie féroce
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
Statut de conservation
American Crow
harpie féroce
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
harpie féroce
Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.
Massive dark hooked bill, one of the largest of any eagle
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.
harpie féroce
The harpy eagle is among the most powerful raptors in the world, with talons as large as a grizzly bear's claws. It is the national bird of Panama. Deforestation poses the greatest threat to this species, as each breeding pair requires a vast territory of undisturbed forest.