Common Starling vs ヘビクイワシ
Sturnus vulgaris 比較対象 Sagittarius serpentarius
Side-by-Side Comparison
| 属性 | Common Starling | ヘビクイワシ |
|---|---|---|
| 学名 | Sturnus vulgaris | Sagittarius serpentarius |
| 目 | Passeriformes | Accipitriformes |
| 科 | Sturnidae | Sagittariidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | 21.5 cm (8.5 in) | 130.0 cm (51.2 in) |
| 翼開長 | 37.0 cm (14.6 in) | 210.0 cm (82.7 in) |
| 体重 | 78.0 g (2.75 oz) | 3700.0 g (130.51 oz) |
| 食性 | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … | Snakes, lizards, small mammals, and large insects. Hunts on foot, stomping prey to death with … |
| 一腹卵数 | 4-7 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Starling
Open countryside, farmland, parks, and urban areas. Forms enormous communal roosts in winter, especially in urban environments.
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 Starling
A complex mimic: rattles, whistles, clicks, and squeaks mixed with imitations of other birds. Song is a continuous medley. Also gives harsh 'scheer' alarm and chattering.
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 Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
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 Starling
ヘビクイワシ
How to Tell Them Apart
Common Starling
Glossy black plumage with iridescent purple and green sheen in breeding season. Winter plumage shows white spotting. Short tail and pointed wings in flight.
Long, pointed bill — yellow in breeding season, dark in winter
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 Starling
ホシムクドリ（Sturnus vulgaris）— ユーラシア原産で北米・豪州・南アフリカに移入された。金属光沢のある羽と白い斑点が特徴。巨大な群れ（マーモレーション）を形成する。
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.