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Side-by-Side Comparison

Merkmal	Weißkopfseeadler	Grey-backed Hawk
Wissenschaftlicher Name	Haliaeetus leucocephalus	Pseudastur occidentalis
Ordnung	Accipitriformes	Accipitriformes
Familie	Accipitridae	Accipitridae
Erhaltungsstatus	Least Concern	Vulnerable
Länge	79,0 cm (31.1 in)	—
Flügelspannweite	203,0 cm (79.9 in)	69,2 cm (27.2 in)
Gewicht	4300,0 g (151.68 oz)	660,0 g (23.28 oz)
Ernährung	Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish …	--
Gelegegröße	1-4	--
Population Trend	—	—

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Size Comparison

Body Length

Weißkopfseeadler 79,0 cm

Grey-backed Hawk —

Flügelspannweite

Weißkopfseeadler 203,0 cm

Grey-backed Hawk 69,2 cm

Gewicht

Weißkopfseeadler 4300,0 g

Grey-backed Hawk 660,0 g

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Habitat Comparison

Gemeinsame Lebensräume

🌲 Forest

Weißkopfseeadler only

🌿 Wetland 🌾 Grassland 🏖️ Coastal

Grey-backed Hawk only

-

Weißkopfseeadler

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

Weißkopfseeadler

Gesang

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.

Grey-backed Hawk

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Geographic Range & Migration

Weißkopfseeadler

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

Grey-backed Hawk

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Erhaltungsstatus

Least Concern

Weißkopfseeadler

Vulnerable

Grey-backed Hawk

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How to Tell Them Apart

Weißkopfseeadler

Gefieder

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.

Schnabel

Large, hooked, bright yellow bill

Grey-backed Hawk

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About These Birds

Weißkopfseeadler

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.

Grey-backed Hawk

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Related Comparisons

Weißkopfseeadler vs Gänsegeier

same-family

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