Épervier à cuisses rousses vs pygargue à tête blanche
Accipiter erythronemius comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier à cuisses rousses | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter erythronemius | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Not Evaluated | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | — | 203,0 cm (79.9 in) |
| Poids | 135,125 g (4.77 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 cuisses rousses 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 cuisses rousses
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 cuisses rousses
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier à cuisses rousses
pygargue à tête blanche
How to Tell Them Apart
Épervier à cuisses rousses
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 cuisses rousses
The Rufous-thighed Hawk, <em>Accipiter erythronemius</em>, is a member of the family Accipitridae (Hawks, Eagles & Kites), a group comprising a wide range of diurnal raptors. This species is associated with forest habitats and, like other accipiters, presumably employs swift aerial pursuit to capture prey within wooded environments. Detailed plumage and behavioral descriptions of this species are limited in the available literature. Its conservation status is listed as Not Evaluated, meaning a formal global assessment has not yet been completed. 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.