American Robin vs アカオノスリ
Turdus migratorius 比較対象 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | American Robin | アカオノスリ |
|---|---|---|
| 学名 | Turdus migratorius | Buteo jamaicensis |
| 目 | Passeriformes | Accipitriformes |
| 科 | Turdidae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 25.0 cm (9.8 in) | 53.0 cm (20.9 in) |
| 翼開長 | 36.0 cm (14.2 in) | 124.0 cm (48.8 in) |
| 体重 | 77.0 g (2.72 oz) | 1080.0 g (38.10 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 一腹卵数 | 2-4 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
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
American Robin
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
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
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern 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
American Robin
アカオノスリ
How to Tell Them Apart
American Robin
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
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
American Robin
北米全域に分布し、春の訪れを告げる鳥として知られるツグミ（体長23〜28cm）。オレンジ色の腹と黒い頭部が特徴的。Turdus migratorius（アメリカコマツグミ）は北米最も親しまれた野鳥の一つで、芝生でミミズを引き抜く姿が日常風景として親しまれている。連邦政府と各州で厳重に保護されており、3州の州鳥に指定されている。Turdidae科。
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.