White-bellied Sea-eagle vs Harpy Eagle

Haliaeetus leucogaster compared with Harpia harpyja

Side-by-Side Comparison

Attribute White-bellied Sea-eagle Harpy Eagle
Scientific Name Haliaeetus leucogaster Harpia harpyja
Order Accipitriformes Accipitriformes
Family Accipitridae Accipitridae
Conservation Status Least Concern Vulnerable
Length 100.0 cm (39.4 in)
Wingspan 111.3 cm (43.8 in) 200.0 cm (78.7 in)
Weight 2775.0 g (97.89 oz) 7500.0 g (264.55 oz)
Diet -- Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. …
Clutch Size 1-3 2-3
Population Trend

Size Comparison

Body Length
White-bellied Sea-eagle
Harpy Eagle 100.0 cm
Wingspan
White-bellied Sea-eagle 111.3 cm
Harpy Eagle 200.0 cm
Weight
White-bellied Sea-eagle 2775.0 g
Harpy Eagle 7500.0 g

Habitat Comparison

Shared Habitats

White-bellied Sea-eagle only

Harpy Eagle only

None

Harpy Eagle

Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.

Song & Call Comparison

White-bellied Sea-eagle

Harpy Eagle

Song

Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.

Geographic Range & Migration

White-bellied Sea-eagle

Harpy Eagle

Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.

Conservation Status

Least Concern

White-bellied Sea-eagle

Vulnerable

Harpy Eagle

How to Tell Them Apart

White-bellied Sea-eagle

Harpy Eagle

Plumage

Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.

Bill

Massive dark hooked bill, one of the largest of any eagle

About These Birds

Harpy Eagle

The harpy eagle is among the most powerful raptors in the world, with talons as large as a grizzly bear's claws. It is the national bird of Panama. Deforestation poses the greatest threat to this species, as each breeding pair requires a vast territory of undisturbed forest.

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