Épervier à collier interrompu vs pygargue à tête blanche
Accipiter collaris comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier à collier interrompu | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter collaris | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 33,2 cm (13.1 in) | 203,0 cm (79.9 in) |
| Poids | 215,4 g (7.60 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 à collier interrompu 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 à collier interrompu
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 à collier interrompu
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier à collier interrompu
pygargue à tête blanche
How to Tell Them Apart
Épervier à collier interrompu
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 à collier interrompu
The Semi-collared Hawk, <em>Accipiter collaris</em>, is a raptor in the family Accipitridae (Hawks, Eagles & Kites). Like many members of the genus Accipiter, it is associated with forest habitats, where it likely relies on agile flight to pursue prey through dense vegetation. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The species is currently assessed as Least Concern on global conservation assessments, suggesting its population is not under immediate threat. Information on its nesting …
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.