águia-de-cabeça-branca vs Common Raven
Haliaeetus leucocephalus comparado com Corvus corax
Side-by-Side Comparison
| Atributo | águia-de-cabeça-branca | Common Raven |
|---|---|---|
| Nome científico | Haliaeetus leucocephalus | Corvus corax |
| Ordem | Accipitriformes | Passeriformes |
| Família | Accipitridae | Corvidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 79,0 cm (31.1 in) | 63,0 cm (24.8 in) |
| Envergadura | 203,0 cm (79.9 in) | 130,0 cm (51.2 in) |
| Peso | 4300,0 g (151.68 oz) | 1200,0 g (42.33 oz) |
| Dieta | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … |
| Tamanho da postura | 1-4 | 1-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
águia-de-cabeça-branca only
Common Raven only
águia-de-cabeça-branca
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Song & Call Comparison
águia-de-cabeça-branca
High-pitched, chattering whistle: a rapid 'kleek-kik-ik-ik-ik'. Surprisingly weak and thin for such a large raptor. Also gives a lower 'kwit-kwit' call near the nest.
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.
Geographic Range & Migration
águia-de-cabeça-branca
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Estado de conservação
águia-de-cabeça-branca
Common Raven
How to Tell Them Apart
águia-de-cabeça-branca
Adults have a dark brown body with a striking white head and tail. Juveniles are mottled brown and white, reaching full adult plumage at age five.
Large, hooked, bright yellow bill
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
About These Birds
águia-de-cabeça-branca
The bald eagle is the national bird and symbol of the United States. Once endangered due to DDT pesticide use, it made a remarkable recovery and was removed from the endangered species list in 2007. These powerful raptors build the largest tree nests of any bird, some weighing over two tons.
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.