pygargue à tête blanche vs Aigle d'Ayres
Haliaeetus leucocephalus comparé à Hieraaetus ayresii
Side-by-Side Comparison
| Attribut | pygargue à tête blanche | Aigle d'Ayres |
|---|---|---|
| Nom scientifique | Haliaeetus leucocephalus | Hieraaetus ayresii |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | 79,0 cm (31.1 in) | — |
| Envergure | 203,0 cm (79.9 in) | 76,7 cm (30.2 in) |
| Poids | 4300,0 g (151.68 oz) | 839,5 g (29.61 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 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
pygargue à tête blanche only
Aigle d'Ayres only
Aucun(e)
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
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.
Aigle d'Ayres
Geographic Range & Migration
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Aigle d'Ayres
Statut de conservation
pygargue à tête blanche
Aigle d'Ayres
How to Tell Them Apart
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
Aigle d'Ayres
About These Birds
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.
Aigle d'Ayres
Ayres's Hawk-eagle is a medium-sized forest eagle found in woodland and forest across sub-Saharan Africa. Weighing about 839.5g with a wingspan of 76.7cm, it has white underparts with dark streaking and powerful taloned feet. It hunts birds and small mammals in swift aerial attacks through the forest canopy.