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Side-by-Side Comparison

属性	Great Cormorant	Bank Cormorant
学名	Phalacrocorax carbo	Phalacrocorax neglectus
目	Suliformes	Suliformes
科	Phalacrocoracidae	Phalacrocoracidae
保全状況	Least Concern	Endangered
体長	90.0 cm (35.4 in)	—
翼開長	145.0 cm (57.1 in)	52.2 cm (20.6 in)
体重	2600.0 g (91.71 oz)	1930.0 g (68.08 oz)
食性	Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. …	--
一腹卵数	1-7	1-3
Population Trend	—	—

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Size Comparison

Body Length

Great Cormorant 90.0 cm

Bank Cormorant —

翼開長

Great Cormorant 145.0 cm

Bank Cormorant 52.2 cm

体重

Great Cormorant 2600.0 g

Bank Cormorant 1930.0 g

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Habitat Comparison

共通生息地

🏖️ Coastal

Great Cormorant only

🌿 Wetland

Bank Cormorant only

None

Great Cormorant

Coasts, estuaries, lakes, rivers, and reservoirs. Nests in colonies in trees, on cliffs, or on the ground.

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Song & Call Comparison

Great Cormorant

さえずり

Deep, guttural grunts and 'karrr' calls at colonies. Bill-clicking and hissing in threat displays. Silent at sea. Colonial noise can be deafening during the breeding season.

Bank Cormorant

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Geographic Range & Migration

Great Cormorant

Very wide range across Europe, Asia, Africa, and Australasia. One of the most widespread cormorant species.

Bank Cormorant

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保全状況

Least Concern

Great Cormorant

Endangered

Bank Cormorant

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How to Tell Them Apart

Great Cormorant

羽毛

All black with a bronze-green gloss. White throat patch and white thigh patches in breeding season. Yellow-orange face patch around the bill base.

くちばし

Long, hooked, dark bill with a yellow gape

Bank Cormorant

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About These Birds

Great Cormorant

The great cormorant is one of the most widespread seabirds in the world. Unlike most waterbirds, cormorants lack fully waterproof plumage, leading to the iconic pose of standing with wings spread open to dry. In Asia, cormorants have been used by fishermen to catch fish for over a thousand years.

Bank Cormorant

南アフリカとナミビアの沿岸岩礁に限定して生息するカワウで、バンクシーカワウとも呼ばれる。非常に限られた分布域に生息し、漁業との競合が懸念されている。

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Related Comparisons

Great Cormorant vs Northern Gannet

look-alike

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