Autour à ventre gris vs pygargue à tête blanche
Accipiter poliogaster comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Autour à ventre gris | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter poliogaster | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Near Threatened | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 48,1 cm (18.9 in) | 203,0 cm (79.9 in) |
| Poids | 362,5 g (12.79 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
Autour à ventre gris 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
Autour à ventre gris
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
Autour à ventre gris
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Autour à ventre gris
pygargue à tête blanche
How to Tell Them Apart
Autour à ventre gris
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
Autour à ventre gris
The Grey-bellied Goshawk (<em>Accipiter poliogaster</em>) is a forest raptor belonging to the family Accipitridae (Hawks, Eagles & Kites), found in the tropical forests of South America. It is a specialist of dense forest habitats, where it is believed to hunt birds and small vertebrates within the forest interior. Detailed plumage and behavioral descriptions of this species are limited in the available literature, though it is known as a secretive and rarely observed raptor within its forested range. Geographic range data …
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.