Épervier bicolore vs pygargue à tête blanche
Accipiter bicolor comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Épervier bicolore | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Accipiter bicolor | Haliaeetus leucocephalus |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | 79,0 cm (31.1 in) |
| Envergure | 45,9 cm (18.1 in) | 203,0 cm (79.9 in) |
| Poids | 326,75 g (11.53 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 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
Épervier bicolore 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 bicolore
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 bicolore
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Épervier bicolore
pygargue à tête blanche
How to Tell Them Apart
Épervier bicolore
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 bicolore
The Bicolored Hawk is a medium-sized forest hawk found from Mexico through Central America to Bolivia and Argentina. It has grey upperparts, a white to rufous underside, and long legs adapted for hunting birds and small mammals in dense forest. It is a secretive predator that often ambushes prey from concealed perches in the forest interior.
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.