Common Starling vs Red-billed Starling
Sturnus vulgaris 比較対象 Spodiopsar sericeus
Side-by-Side Comparison
| 属性 | Common Starling | Red-billed Starling |
|---|---|---|
| 学名 | Sturnus vulgaris | Spodiopsar sericeus |
| 目 | Passeriformes | Passeriformes |
| 科 | Sturnidae | Sturnidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 21.5 cm (8.5 in) | — |
| 翼開長 | 37.0 cm (14.6 in) | 24.1 cm (9.5 in) |
| 体重 | 78.0 g (2.75 oz) | 65.0 g (2.29 oz) |
| 食性 | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … | -- |
| 一腹卵数 | 4-7 | -- |
| 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.
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.
Red-billed Starling
Geographic Range & Migration
Common Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
Red-billed Starling
保全状況
Common Starling
Red-billed Starling
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
Red-billed Starling
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。