Épervier de Hartlaub vs pygargue à tête blanche
Accipiter erythropus comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier de Hartlaub | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter erythropus | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 30,9 cm (12.2 in) | 203,0 cm (79.9 in) |
| Poids | 118,5 g (4.18 oz) | 4300,0 g (151.68 oz) |
| Régime alimentaire | -- | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Taille de la couvée | 2 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
Épervier de Hartlaub only
Aucun(e)
pygargue à tête blanche only
pygargue à tête blanche
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Song & Call Comparison
Épervier de Hartlaub
pygargue à tête blanche
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
Épervier de Hartlaub
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier de Hartlaub
pygargue à tête blanche
How to Tell Them Apart
Épervier de Hartlaub
pygargue à tête blanche
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
Épervier de Hartlaub
The Red-legged Sparrowhawk, <em>Accipiter erythropus</em>, is a small raptor in the family Accipitridae (Hawks, Eagles & Kites). It inhabits forest environments, consistent with the arboreal hunting style characteristic of accipiters. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The species is assessed as Least Concern on global conservation evaluations. Available nesting data indicate a clutch size of 2 eggs, though further details on nest structure, incubation duration, and fledging period are not documented here. …
pygargue à tête blanche
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.