pygargue à tête blanche vs Aigle royal
Haliaeetus leucocephalus comparé à Aquila chrysaetos
Side-by-Side Comparison
| Attribut | pygargue à tête blanche | Aigle royal |
|---|---|---|
| Nom scientifique | Haliaeetus leucocephalus | Aquila chrysaetos |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | 79,0 cm (31.1 in) | 81,0 cm (31.9 in) |
| Envergure | 203,0 cm (79.9 in) | 212,0 cm (83.5 in) |
| Poids | 4300,0 g (151.68 oz) | 4050,0 g (142.86 oz) |
| Régime alimentaire | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … |
| Taille de la couvée | 1-4 | 1-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
pygargue à tête blanche only
Aigle royal only
pygargue à tête blanche
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Aigle royal
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
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 royal
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
Geographic Range & Migration
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Aigle royal
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
Statut de conservation
pygargue à tête blanche
Aigle royal
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 royal
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
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 royal
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.