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Side-by-Side Comparison

Attribut	Aigle impérial	pygargue à tête blanche
Nom scientifique	Aquila heliaca	Haliaeetus leucocephalus
Ordre	Accipitriformes	Accipitriformes
Famille	Accipitridae	Accipitridae
Statut de conservation	Vulnerable	Least Concern
Longueur	—	79,0 cm (31.1 in)
Envergure	116,4 cm (45.8 in)	203,0 cm (79.9 in)
Poids	3215,0 g (113.41 oz)	4300,0 g (151.68 oz)
Régime alimentaire	--	Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish …
Taille de la couvée	1-4	1-4
Population Trend	—	—

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Size Comparison

Body Length

Aigle impérial —

pygargue à tête blanche 79,0 cm

Envergure

Aigle impérial 116,4 cm

pygargue à tête blanche 203,0 cm

Poids

Aigle impérial 3215,0 g

pygargue à tête blanche 4300,0 g

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Habitat Comparison

Habitats partagés

🌲 Forest 🌿 Wetland

Aigle impérial only

Aucun(e)

pygargue à tête blanche only

🌾 Grassland 🏖️ Coastal

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

Aigle impérial

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.

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Geographic Range & Migration

Aigle impérial

pygargue à tête blanche

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

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Statut de conservation

Vulnerable

Aigle impérial

Least Concern

pygargue à tête blanche

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How to Tell Them Apart

Aigle impérial

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

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About These Birds

Aigle impérial

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

pygargue à tête blanche vs vautour fauve

same-family

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