Common Raven vs Harpy Eagle
Corvus corax compared with Harpia harpyja
Side-by-Side Comparison
| Attribute | Common Raven | Harpy Eagle |
|---|---|---|
| Scientific Name | Corvus corax | Harpia harpyja |
| Order | Passeriformes | Accipitriformes |
| Family | Corvidae | Accipitridae |
| Conservation Status | Least Concern | Vulnerable |
| Length | 63.0 cm (24.8 in) | 100.0 cm (39.4 in) |
| Wingspan | 130.0 cm (51.2 in) | 200.0 cm (78.7 in) |
| Weight | 1200.0 g (42.33 oz) | 7500.0 g (264.55 oz) |
| Diet | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| Clutch Size | 1-8 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Harpy Eagle
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
Harpy Eagle
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
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Harpy Eagle
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
Conservation Status
Common Raven
Harpy Eagle
How to Tell Them Apart
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
Harpy Eagle
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
Common Raven
The common raven is among the most intelligent birds, demonstrating tool use, future planning, and social manipulation in scientific studies. In many cultures, ravens feature prominently in mythology as creators, tricksters, or messengers. Their complex vocalizations include over 30 distinct calls.
Harpy Eagle
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.