American Crow vs águia-de-cabeça-branca
Corvus brachyrhynchos comparado com Haliaeetus leucocephalus
Side-by-Side Comparison
| Atributo | American Crow | águia-de-cabeça-branca |
|---|---|---|
| Nome científico | Corvus brachyrhynchos | Haliaeetus leucocephalus |
| Ordem | Passeriformes | Accipitriformes |
| Família | Corvidae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 45,0 cm (17.7 in) | 79,0 cm (31.1 in) |
| Envergadura | 99,0 cm (39.0 in) | 203,0 cm (79.9 in) |
| Peso | 450,0 g (15.87 oz) | 4300,0 g (151.68 oz) |
| Dieta | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Tamanho da postura | 3-7 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
American Crow only
Nenhum
águia-de-cabeça-branca only
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
águia-de-cabeça-branca
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth 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.
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.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
águia-de-cabeça-branca
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Estado de conservação
American Crow
águia-de-cabeça-branca
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
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
About These Birds
American Crow
O Corvo-americano (Corvus brachyrhynchos) é um dos corvos mais reconhecíveis e inteligentes da América do Norte, pertencente à família Corvidae. Amplamente distribuído por toda a América do Norte, habita uma grande variedade de habitats, incluindo florestas, campos agrícolas, subúrbios e centros urbanos. Mede aproximadamente 40-53 cm e pesa entre 300-600 g. A plumagem é completamente preta com reflexos iridescentes. Onívoro altamente adaptável, alimenta-se de insetos, frutos, carrion, lixo e praticamente qualquer material comestível disponível. Exibe comportamento social complexo, incluindo vida …
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.