gaviãozinho-de-pescoço-ruivo vs águia-de-cabeça-branca
Accipiter erythrauchen comparado com Haliaeetus leucocephalus
Side-by-Side Comparison
| Atributo | gaviãozinho-de-pescoço-ruivo | águia-de-cabeça-branca |
|---|---|---|
| Nome científico | Accipiter erythrauchen | Haliaeetus leucocephalus |
| Ordem | Accipitriformes | Accipitriformes |
| Família | Accipitridae | Accipitridae |
| Estado de conservação | Near Threatened | Least Concern |
| Comprimento | — | 79,0 cm (31.1 in) |
| Envergadura | 38,2 cm (15.0 in) | 203,0 cm (79.9 in) |
| Peso | 156,0 g (5.50 oz) | 4300,0 g (151.68 oz) |
| Dieta | -- | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Tamanho da postura | -- | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
gaviãozinho-de-pescoço-ruivo only
Nenhum
águia-de-cabeça-branca only
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
gaviãozinho-de-pescoço-ruivo
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
gaviãozinho-de-pescoço-ruivo
águia-de-cabeça-branca
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Estado de conservação
gaviãozinho-de-pescoço-ruivo
águia-de-cabeça-branca
How to Tell Them Apart
gaviãozinho-de-pescoço-ruivo
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
gaviãozinho-de-pescoço-ruivo
The Rufous-necked Sparrowhawk, <em>Accipiter erythrauchen</em>, is a raptor belonging to the family Accipitridae (Hawks, Eagles & Kites). It is associated with forest habitats, in line with many accipiter species that hunt through wooded terrain. Detailed plumage and behavioral descriptions of this species are limited in the available literature. Notably, this species is assessed as Near Threatened, indicating that it faces some risk of population decline and warrants ongoing monitoring. The pressures driving this status may include forest loss or restricted …
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.