Épervier de Nouvelle-Bretagne vs pygargue à tête blanche
Accipiter brachyurus comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier de Nouvelle-Bretagne | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter brachyurus | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Vulnerable | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 40,4 cm (15.9 in) | 203,0 cm (79.9 in) |
| Poids | 142,0 g (5.01 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 | -- | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
Épervier de Nouvelle-Bretagne 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 Nouvelle-Bretagne
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 Nouvelle-Bretagne
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier de Nouvelle-Bretagne
pygargue à tête blanche
How to Tell Them Apart
Épervier de Nouvelle-Bretagne
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 Nouvelle-Bretagne
The New Britain Sparrowhawk (<em>Accipiter brachyurus</em>) is a raptor belonging to the family Accipitridae, encompassing hawks, eagles, and kites. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The New Britain Sparrowhawk is associated with forest habitats, consistent with its presumed occurrence on the island of New Britain in Papua New Guinea, where dense tropical forest provides cover and foraging opportunities for raptors of this genus. This species is assessed as Vulnerable by the IUCN, …
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.