pygargue à tête blanche vs Busard grenouillard
Haliaeetus leucocephalus comparé à Circus ranivorus
Side-by-Side Comparison
| Attribut | pygargue à tête blanche | Busard grenouillard |
|---|---|---|
| Nom scientifique | Haliaeetus leucocephalus | Circus ranivorus |
| 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) | 72,6 cm (28.6 in) |
| Poids | 4300,0 g (151.68 oz) | 498,0 g (17.57 oz) |
| Régime alimentaire | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | -- |
| Taille de la couvée | 1-4 | 3-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
pygargue à tête blanche only
Busard grenouillard 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.
Busard grenouillard
Geographic Range & Migration
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Busard grenouillard
Statut de conservation
pygargue à tête blanche
Busard grenouillard
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
Busard grenouillard
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.
Busard grenouillard
The African Marsh-harrier is a broad-winged raptor with a wingspan of around 73 cm, weighing close to 500 g. It hunts low over wetlands and marshes in sub-Saharan Africa, preying on frogs, small birds, and rodents.