águia-de-cabeça-branca vs gavião-variável
Haliaeetus leucocephalus comparado com Nisaetus cirrhatus
Side-by-Side Comparison
| Atributo | águia-de-cabeça-branca | gavião-variável |
|---|---|---|
| Nome científico | Haliaeetus leucocephalus | Nisaetus cirrhatus |
| Ordem | Accipitriformes | Accipitriformes |
| Família | Accipitridae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 79,0 cm (31.1 in) | — |
| Envergadura | 203,0 cm (79.9 in) | 82,9 cm (32.6 in) |
| Peso | 4300,0 g (151.68 oz) | 1540,0 g (54.32 oz) |
| Dieta | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | -- |
| Tamanho da postura | 1-4 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
águia-de-cabeça-branca only
gavião-variável only
Nenhum
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
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.
gavião-variável
Geographic Range & Migration
águia-de-cabeça-branca
North America from Alaska and Canada through the contiguous United States to northern Mexico.
gavião-variável
Estado de conservação
águia-de-cabeça-branca
gavião-variável
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
gavião-variável
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.