イヌワシ vs Mandarin Duck
Aquila chrysaetos 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | イヌワシ | Mandarin Duck |
|---|---|---|
| 学名 | Aquila chrysaetos | Aix galericulata |
| 目 | Accipitriformes | Anseriformes |
| 科 | Accipitridae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 81.0 cm (31.9 in) | 44.0 cm (17.3 in) |
| 翼開長 | 212.0 cm (83.5 in) | 70.0 cm (27.6 in) |
| 体重 | 4050.0 g (142.86 oz) | 570.0 g (20.11 oz) |
| 食性 | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 1-3 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
イヌワシ
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
イヌワシ
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
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.
Geographic Range & Migration
イヌワシ
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
保全状況
イヌワシ
Mandarin Duck
How to Tell Them Apart
イヌワシ
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
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
About These Birds
イヌワシ
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.
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。