カワリオオタカ vs イヌワシ
Accipiter hiogaster 比較対象 Aquila chrysaetos
Side-by-Side Comparison
| 属性 | カワリオオタカ | イヌワシ |
|---|---|---|
| 学名 | Accipiter hiogaster | Aquila chrysaetos |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 81.0 cm (31.9 in) |
| 翼開長 | 39.4 cm (15.5 in) | 212.0 cm (83.5 in) |
| 体重 | 266.25 g (9.39 oz) | 4050.0 g (142.86 oz) |
| 食性 | -- | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … |
| 一腹卵数 | 2-3 | 1-3 |
| 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.
Song & Call Comparison
カワリオオタカ
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.
Geographic Range & Migration
カワリオオタカ
イヌワシ
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
保全状況
カワリオオタカ
イヌワシ
How to Tell Them Apart
カワリオオタカ
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
About These Birds
カワリオオタカ
The Variable Goshawk (<em>Accipiter hiogaster</em>) is a forest raptor belonging to the family Accipitridae, the hawks, eagles, and kites. It inhabits forest environments across a broad range encompassing the Moluccas, New Guinea, and surrounding island groups in Australasia. This species is assessed as Least Concern by the IUCN. Its common name reflects the considerable variation in plumage observed across its many island populations and subspecies. Nesting records indicate an incubation period of approximately 30 days, and clutch size typically ranges …
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.