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Side-by-Side Comparison

属性	Black-necked Crane	Red-crowned Crane
学名	Grus nigricollis	Grus japonensis
目	Gruiformes	Gruiformes
科	Gruidae	Gruidae
保全状況	Near Threatened	Endangered
体長	—	150.0 cm (59.1 in)
翼開長	115.8 cm (45.6 in)	250.0 cm (98.4 in)
体重	6000.0 g (211.64 oz)	8900.0 g (313.94 oz)
食性	--	Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields.
一腹卵数	2	2
Population Trend	—	—

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Size Comparison

Body Length

Black-necked Crane —

Red-crowned Crane 150.0 cm

翼開長

Black-necked Crane 115.8 cm

Red-crowned Crane 250.0 cm

体重

Black-necked Crane 6000.0 g

Red-crowned Crane 8900.0 g

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Habitat Comparison

共通生息地

🌿 Wetland

Black-necked Crane only

None

Red-crowned Crane only

None

Red-crowned Crane

Freshwater marshes, bogs, and wet grasslands for breeding. Winters in coastal mudflats, estuaries, and rice paddies.

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Song & Call Comparison

Black-necked Crane

Red-crowned Crane

さえずり

Spectacular unison 'bugling' call: a clear, resonant, far-carrying trumpet 'kru-ru-ru' given by paired birds simultaneously. Among the most majestic bird calls in Asia.

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Geographic Range & Migration

Black-necked Crane

Red-crowned Crane

Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.

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保全状況

Near Threatened

Black-necked Crane

Endangered

Red-crowned Crane

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How to Tell Them Apart

Black-necked Crane

Red-crowned Crane

羽毛

White body plumage with black secondary flight feathers and throat. Bare red crown patch. Black face and neck. One of the most elegant crane species.

くちばし

Long, straight, olive-green bill

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About These Birds

Black-necked Crane

クロヅル（Grus nigricollis）はチベット高原に固有の大型ツル（体長115〜120 cm）。白い体に黒い首・頭・翼端、裸出した赤い冠。高原で繁殖する唯一のツルで、標高4,000 m以上に営巣。低地ではブータン・インド・雲南省で越冬。絶滅危惧種；個体数は約10,000羽。

Red-crowned Crane

The red-crowned crane is one of the rarest crane species and a potent symbol of longevity and fidelity in East Asian culture. Their elaborate unison call and dancing displays have inspired art and folklore for millennia. The resident population on Hokkaido, Japan, recovered from about 33 birds in 1952 to over 1,800 today.

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Related Comparisons

Mute Swan vs Red-crowned Crane

look-alike

Red-crowned Crane vs Demoiselle Crane

same-family

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