Épervier nain vs pygargue à tête blanche
Accipiter superciliosus comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier nain | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter superciliosus | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 29,3 cm (11.5 in) | 203,0 cm (79.9 in) |
| Poids | 103,675 g (3.66 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 | 1-3 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
Épervier nain 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 nain
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 nain
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier nain
pygargue à tête blanche
How to Tell Them Apart
Épervier nain
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 nain
The Tiny Hawk, <em>Accipiter superciliosus</em>, is among the smallest members of the family Accipitridae and is found in forested regions of Central and South America. It inhabits dense tropical and subtropical forest habitats, where its diminutive size likely allows it to hunt in dense undergrowth and canopy. Detailed plumage and bill characteristics are not fully described in the literature reviewed here. The nest is recorded as a platform-like structure consistent with other hawks in this genus. Incubation lasts approximately 30 …
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.