Common Myna vs ヘビクイワシ
Acridotheres tristis 比較対象 Sagittarius serpentarius
Side-by-Side Comparison
| 属性 | Common Myna | ヘビクイワシ |
|---|---|---|
| 学名 | Acridotheres tristis | Sagittarius serpentarius |
| 目 | Passeriformes | Accipitriformes |
| 科 | Sturnidae | Sagittariidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | 25.0 cm (9.8 in) | 130.0 cm (51.2 in) |
| 翼開長 | 38.0 cm (15.0 in) | 210.0 cm (82.7 in) |
| 体重 | 120.0 g (4.23 oz) | 3700.0 g (130.51 oz) |
| 食性 | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. | 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
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
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
Common Myna
A noisy, cackling chatter and melodious whistling mixed together. An accomplished mimic of other birds and sounds. Gives repeated 'mee-ow' and harsh 'quarr' alarm calls.
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
Common Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
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
Common Myna
ヘビクイワシ
How to Tell Them Apart
Common Myna
Brown body with a glossy black hood, yellow bill, and bare yellow skin behind the eye. White wing patches conspicuous in flight. Yellow legs.
Strong, slightly curved yellow 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
Common Myna
ハッカチョウ（Acridotheres tristis）— 南アジア原産で世界各地に移入された強い適応力をもつムクドリ科の鳥。黄色い嘴と目の周りの黄色い皮膚が特徴。
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.