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Side-by-Side Comparison

属性	Great Cormorant	Socotra Cormorant
学名	Phalacrocorax carbo	Phalacrocorax nigrogularis
目	Suliformes	Suliformes
科	Phalacrocoracidae	Phalacrocoracidae
保全状況	Least Concern	Vulnerable
体長	90.0 cm (35.4 in)	—
翼開長	145.0 cm (57.1 in)	56.6 cm (22.3 in)
体重	2600.0 g (91.71 oz)	1560.0 g (55.03 oz)
食性	Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. …	--
一腹卵数	1-7	2-4
Population Trend	—	—

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Size Comparison

Body Length

Great Cormorant 90.0 cm

Socotra Cormorant —

翼開長

Great Cormorant 145.0 cm

Socotra Cormorant 56.6 cm

体重

Great Cormorant 2600.0 g

Socotra Cormorant 1560.0 g

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Habitat Comparison

共通生息地

🏖️ Coastal

Great Cormorant only

🌿 Wetland

Socotra 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.

Socotra 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.

Socotra Cormorant

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保全状況

Least Concern

Great Cormorant

Vulnerable

Socotra 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

Socotra 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.

Socotra Cormorant

アラビア半島南部とアデン湾に生息するカワウで、ソコトラとイエメンの沿岸に分布する。黒い喉が特徴的で、岩礁の多い沿岸環境に生息する。

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Related Comparisons

Great Cormorant vs Northern Gannet

look-alike

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