European Robin vs アカオノスリ
Erithacus rubecula 比較対象 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | European Robin | アカオノスリ |
|---|---|---|
| 学名 | Erithacus rubecula | Buteo jamaicensis |
| 目 | Passeriformes | Accipitriformes |
| 科 | Muscicapidae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 14.0 cm (5.5 in) | 53.0 cm (20.9 in) |
| 翼開長 | 21.0 cm (8.3 in) | 124.0 cm (48.8 in) |
| 体重 | 18.0 g (0.63 oz) | 1080.0 g (38.10 oz) |
| 食性 | Insects, worms, and berries. Often follows gardeners and large animals to catch invertebrates disturbed from … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 一腹卵数 | 4-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
European Robin
Woodlands, hedgerows, parks, and gardens across Europe. Remarkably tame around humans, especially in Britain.
アカオノスリ
Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.
Song & Call Comparison
European Robin
Exquisite, melancholic melody of thin whistled phrases, rising and falling softly. Rich, warbling song year-round; both sexes sing. Alarm call is a sharp 'tic-tic-tic'.
アカオノスリ
Iconic, raspy descending scream: 'kreeeeee-ar', often used in films for all raptors. Gives short barking 'kak' notes near nest. Juveniles beg with persistent squealing whistles.
Geographic Range & Migration
European Robin
Europe, western Asia, and parts of North Africa. Northern populations migrate south in winter; western European populations are largely resident.
アカオノスリ
North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.
保全状況
European Robin
アカオノスリ
How to Tell Them Apart
European Robin
Olive-brown upperparts with a warm orange-red breast and face bordered by grey. White belly and undertail coverts.
Thin, pointed dark brown bill
アカオノスリ
Variable plumage from pale to dark morphs. Most adults have rich brown upperparts, a pale breast with a dark belly band, and the characteristic rufous-red tail.
Dark hooked bill with a yellow cere
About These Birds
European Robin
イギリスの非公式の国鳥で、縄張り意識が強く、一年中さえずる。民話では鳥の中の特別な地位を持つ。
アカオノスリ
The red-tailed hawk is the most widespread and common hawk in North America. Its screaming cry is so iconic that it is often dubbed over bald eagle footage in films and television. These adaptable raptors thrive in human-altered landscapes and are a familiar sight perched along highways.