pygargue à tête blanche vs Aigle d'Isidore
Haliaeetus leucocephalus comparé à Spizaetus isidori
Side-by-Side Comparison
| Attribut | pygargue à tête blanche | Aigle d'Isidore |
|---|---|---|
| Nom scientifique | Haliaeetus leucocephalus | Spizaetus isidori |
| Ordre | Accipitriformes | Accipitriformes |
| Famille | Accipitridae | Accipitridae |
| Statut de conservation | Least Concern | Endangered |
| Longueur | 79,0 cm (31.1 in) | — |
| Envergure | 203,0 cm (79.9 in) | 96,9 cm (38.1 in) |
| Poids | 4300,0 g (151.68 oz) | 2950,0 g (104.06 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'Isidore 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'Isidore
Geographic Range & Migration
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Aigle d'Isidore
Statut de conservation
pygargue à tête blanche
Aigle d'Isidore
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'Isidore
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'Isidore
The Black-and-chestnut Eagle is an endangered large raptor of humid montane forests along the Andes, from Venezuela to Argentina. It has striking black upperparts and chestnut underparts with fine barring. It preys on medium-sized arboreal mammals, large birds, and reptiles, and is threatened by deforestation and hunting throughout its range.