トビ vs アカオノスリ
Milvus migrans 比較対象 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | トビ | アカオノスリ |
|---|---|---|
| 学名 | Milvus migrans | Buteo jamaicensis |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 53.0 cm (20.9 in) |
| 翼開長 | 91.5 cm (36.0 in) | 124.0 cm (48.8 in) |
| 体重 | 753.8333333333334 g (26.59 oz) | 1080.0 g (38.10 oz) |
| 食性 | -- | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 一腹卵数 | 1-4 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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
トビ
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
トビ
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
トビ
アカオノスリ
How to Tell Them Apart
トビ
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
トビ
ヨーロッパ・アジア・アフリカ・オーストラリアに広く分布するトビ（体長48〜60cm）。褐色の体と浅い切れ目のある尾が特徴。Milvus migrans（トビ）は日本で最もよく見られる大型猛禽類で、「ピーヒョロロ」と鳴く声は日常的に聞かれる。漁港や食事場所の上空を旋回し、食物を空中でさらうことで有名。Accipitridae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.