Common Starling vs Great Horned Owl
Sturnus vulgaris 比較対象 Bubo virginianus
Side-by-Side Comparison
| 属性 | Common Starling | Great Horned Owl |
|---|---|---|
| 学名 | Sturnus vulgaris | Bubo virginianus |
| 目 | Passeriformes | Strigiformes |
| 科 | Sturnidae | Strigidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 21.5 cm (8.5 in) | 55.0 cm (21.7 in) |
| 翼開長 | 37.0 cm (14.6 in) | 127.0 cm (50.0 in) |
| 体重 | 78.0 g (2.75 oz) | 1400.0 g (49.38 oz) |
| 食性 | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … |
| 一腹卵数 | 4-7 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
共通生息地
Common Starling only
Common Starling
Open countryside, farmland, parks, and urban areas. Forms enormous communal roosts in winter, especially in urban environments.
Great Horned Owl
Diverse habitats including forests, deserts, swamps, urban parks, and suburban areas. Nests in tree hollows, cliff ledges, and abandoned nests of other large birds.
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.
Great Horned Owl
Deep, resonant 'who-who-who-who-ooo': the classic 'hoo-h'HOO-hoo-hoo' territorial duet of a mated pair. Booms at dusk. Female pitch slightly higher than male.
Geographic Range & Migration
Common Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
Great Horned Owl
North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.
保全状況
Common Starling
Great Horned Owl
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
Great Horned Owl
Mottled grey-brown plumage with heavy dark barring. Prominent ear tufts, yellow eyes, and a white throat patch give a fierce expression.
Dark grey-black hooked bill almost hidden by facial disc feathers
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。
Great Horned Owl
The great horned owl is the most powerful and widespread owl in the Americas, earning the nickname tiger of the sky. It is one of the earliest nesting birds, often laying eggs in January when snow still covers the ground. Great horned owls are fierce predators, regularly taking prey up to three times their own weight.