Mandarin Duck vs アカオノスリ
Aix galericulata 比較対象 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | Mandarin Duck | アカオノスリ |
|---|---|---|
| 学名 | Aix galericulata | Buteo jamaicensis |
| 目 | Anseriformes | Accipitriformes |
| 科 | Anatidae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 44.0 cm (17.3 in) | 53.0 cm (20.9 in) |
| 翼開長 | 70.0 cm (27.6 in) | 124.0 cm (48.8 in) |
| 体重 | 570.0 g (20.11 oz) | 1080.0 g (38.10 oz) |
| 食性 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 一腹卵数 | 7-14 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
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
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
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
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
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
Mandarin Duck
アカオノスリ
How to Tell Them Apart
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
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
Mandarin Duck
オシドリ。東アジア原産の美しいカモ。雄は鮮やかなオレンジ色の「帆羽」と複雑な羽毛模様が特徴的。体長41〜49cm。森林の池や川に生息し、樹洞に巣を作る。ドングリや水草を食べる。低危険種。
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.