Oriental Stork vs ヘビクイワシ
Ciconia boyciana 比較対象 Sagittarius serpentarius
Side-by-Side Comparison
| 属性 | Oriental Stork | ヘビクイワシ |
|---|---|---|
| 学名 | Ciconia boyciana | Sagittarius serpentarius |
| 目 | Ciconiiformes | Accipitriformes |
| 科 | Ciconiidae | Sagittariidae |
| 保全状況 | Endangered | Endangered |
| 体長 | 115.0 cm (45.3 in) | 130.0 cm (51.2 in) |
| 翼開長 | 220.0 cm (86.6 in) | 210.0 cm (82.7 in) |
| 体重 | 5000.0 g (176.37 oz) | 3700.0 g (130.51 oz) |
| 食性 | Fish, frogs, snakes, large insects, and small mammals caught in shallow wetlands. Feeds by wading … | Snakes, lizards, small mammals, and large insects. Hunts on foot, stomping prey to death with … |
| 一腹卵数 | 2-6 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Oriental Stork
Wetlands, flooded rice paddies, rivers, and marshes. Nests on tall trees, utility poles, and artificial platforms.
ヘビクイワシ
Open grasslands, savannas, and light woodland across sub-Saharan Africa. Avoids dense forests and very arid regions.
Song & Call Comparison
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.
ヘビクイワシ
A surprisingly deep, resonant croaking 'kowrr-kowrr' often heard at dawn on African savannas. Also gives pig-like grunting sounds. Mostly silent compared to true songbirds.
Geographic Range & Migration
Oriental Stork
Breeds in the Russian Far East and northeastern China. Winters in southeastern China, Japan, and Korea.
ヘビクイワシ
Sub-Saharan Africa from Senegal and Somalia south to South Africa. Resident throughout its range.
保全状況
Oriental Stork
ヘビクイワシ
How to Tell Them Apart
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
ヘビクイワシ
Grey body plumage with black flight feathers and thigh feathers. Distinctive long black crest feathers trail from the back of the head. Orange-red bare facial skin.
Short, strong, hooked greyish bill with a yellowish cere
About These Birds
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.
ヘビクイワシ
The secretary bird is the only raptor that hunts primarily on foot, striding through grasslands on crane-like legs up to 1.2 meters tall. Its name may derive from the crest feathers resembling quill pens tucked behind a secretary's ear. The species is classified as Endangered due to habitat loss and decline across much of its range.