Sandhill Crane vs Black-necked Crane

Grus canadensis 比較対象 Grus nigricollis

Side-by-Side Comparison

属性 Sandhill Crane Black-necked Crane
学名 Grus canadensis Grus nigricollis
Gruiformes Gruiformes
Gruidae Gruidae
保全状況 Least Concern Near Threatened
体長
翼開長 115.8 cm (45.6 in)
体重 3855.0 g (135.98 oz) 6000.0 g (211.64 oz)
食性 -- --
一腹卵数 2 2
Population Trend

Habitat Comparison

共通生息地

Sandhill Crane only

None

Black-necked Crane only

None

保全状況

Least Concern

Sandhill Crane

Near Threatened

Black-necked Crane

About These Birds

Sandhill Crane

Sandhill Crane (Grus canadensis) is a large 80–120 cm grey North American crane with a bare red crown and bushy tail plumes. Wingspan to 185 cm. Breeds across Arctic Canada, Alaska, and northern USA; migrates in vast flocks along central flyways; winters in the southern USA and Mexico.

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。

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