Emperor Penguin vs アカオノスリ
Aptenodytes forsteri 比較対象 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | Emperor Penguin | アカオノスリ |
|---|---|---|
| 学名 | Aptenodytes forsteri | Buteo jamaicensis |
| 目 | Sphenisciformes | Accipitriformes |
| 科 | Spheniscidae | Accipitridae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | 115.0 cm (45.3 in) | 53.0 cm (20.9 in) |
| 翼開長 | 76.0 cm (29.9 in) | 124.0 cm (48.8 in) |
| 体重 | 30000.0 g (1058.22 oz) | 1080.0 g (38.10 oz) |
| 食性 | Primarily Antarctic silverfish, krill, and squid. The deepest-diving bird, reaching depths over 500 meters and … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 一腹卵数 | 1 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Emperor Penguin
Antarctic pack ice and surrounding Southern Ocean. The only penguin species that breeds during the Antarctic winter.
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
Emperor Penguin
Loud, resonant trumpeting calls used for individual recognition in dense colonies. Each bird's call is unique in frequency. Also gives softer contact 'braying' notes.
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
Emperor Penguin
Antarctic continent and surrounding sea ice. Breeding colonies are found along the entire Antarctic coastline.
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
Emperor Penguin
アカオノスリ
How to Tell Them Apart
Emperor Penguin
Black head, chin, and dorsal side with white belly. Bright yellow-orange ear patches fade to pale yellow on the upper breast.
Long, slightly decurved bill — black with orange or pink mandible stripe
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
Emperor Penguin
最大・最重量のペンギンで、南極の-60℃の厳しい環境下で繁殖する。オスが卵を抱いて越冬する。
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.