pygargue à tête blanche vs Autour à ailes grises

Haliaeetus leucocephalus comparé à Melierax poliopterus

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Side-by-Side Comparison

Attribut pygargue à tête blanche Autour à ailes grises
Nom scientifique Haliaeetus leucocephalus Melierax poliopterus
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) 61,2 cm (24.1 in)
Poids 4300,0 g (151.68 oz) 642,5 g (22.66 oz)
Régime alimentaire Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … --
Taille de la couvée 1-4 1-2
Population Trend
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Size Comparison

Body Length
pygargue à tête blanche 79,0 cm
Autour à ailes grises
Envergure
pygargue à tête blanche 203,0 cm
Autour à ailes grises 61,2 cm
Poids
pygargue à tête blanche 4300,0 g
Autour à ailes grises 642,5 g
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Habitat Comparison

Habitats partagés

Aucun(e)

pygargue à tête blanche only

Autour à ailes grises 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.

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Song & Call Comparison

pygargue à tête blanche

Chant

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.

Autour à ailes grises

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Geographic Range & Migration

pygargue à tête blanche

North America from Alaska and Canada through the contiguous United States to northern Mexico.

Autour à ailes grises

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Statut de conservation

Least Concern

pygargue à tête blanche

Least Concern

Autour à ailes grises

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How to Tell Them Apart

pygargue à tête blanche

Plumage

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.

Bec

Large, hooked, bright yellow bill

Autour à ailes grises

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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.

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Related Comparisons

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