Greater Adjutant vs Oriental Stork
Leptoptilos dubius 比較対象 Ciconia boyciana
Side-by-Side Comparison
| 属性 | Greater Adjutant | Oriental Stork |
|---|---|---|
| 学名 | Leptoptilos dubius | Ciconia boyciana |
| 目 | Ciconiiformes | Ciconiiformes |
| 科 | Ciconiidae | Ciconiidae |
| 保全状況 | Near Threatened | Endangered |
| 体長 | — | 115.0 cm (45.3 in) |
| 翼開長 | 152.3 cm (60.0 in) | 220.0 cm (86.6 in) |
| 体重 | 9050.0 g (319.23 oz) | 5000.0 g (176.37 oz) |
| 食性 | -- | Fish, frogs, snakes, large insects, and small mammals caught in shallow wetlands. Feeds by wading … |
| 一腹卵数 | 2-4 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Oriental Stork
Wetlands, flooded rice paddies, rivers, and marshes. Nests on tall trees, utility poles, and artificial platforms.
Song & Call Comparison
Greater Adjutant
Oriental Stork
Essentially silent like all storks; produces loud mechanical bill-clattering at the nest as a greeting display. Chicks beg with hissing and squeaking. Rarely vocalizes otherwise.
Geographic Range & Migration
Greater Adjutant
Oriental Stork
Breeds in the Russian Far East and northeastern China. Winters in southeastern China, Japan, and Korea.
保全状況
Greater Adjutant
Oriental Stork
How to Tell Them Apart
Greater Adjutant
Oriental Stork
White body plumage with black flight feathers. Red bare skin around the eye and black bill distinguish it from the white stork. Pinkish-red legs.
Long, thick, straight, black bill
About These Birds
Greater Adjutant
145–150 cm, wingspan 210–250 cm. Enormous; naked red head; huge ivory bill; large pendant neck pouch. Endangered; fewer than 1,000 birds remain in South and Southeast Asia. Breeds in Assam (India) and Cambodia. Feeds on fish, carrion, and small animals in wetlands and rubbish dumps.
Oriental Stork
The oriental stork is one of the most endangered stork species, with fewer than 3,000 individuals remaining in the wild. It was once widespread across East Asia but declined dramatically due to wetland drainage and pesticide use. Reintroduction programs in Japan and Korea have achieved notable success.