イヌワシ vs House Sparrow
Aquila chrysaetos 比較対象 Passer domesticus
Side-by-Side Comparison
| 属性 | イヌワシ | House Sparrow |
|---|---|---|
| 学名 | Aquila chrysaetos | Passer domesticus |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Passeridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 81.0 cm (31.9 in) | 16.0 cm (6.3 in) |
| 翼開長 | 212.0 cm (83.5 in) | 25.0 cm (9.8 in) |
| 体重 | 4050.0 g (142.86 oz) | 30.0 g (1.06 oz) |
| 食性 | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … | Primarily seeds and grains, supplemented with insects during breeding season. Readily exploits human food scraps … |
| 一腹卵数 | 1-3 | 1-8 |
| 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.
House Sparrow
Closely associated with human habitation. Found in cities, towns, farms, and any built environment. Rarely found far from people.
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.
House Sparrow
Monotonous series of chirping 'cheep' and 'chirrup' notes. Male gives 'chilp' song repeatedly. Flocks produce constant chirping chatter. No melodic song; purely functional calls.
Geographic Range & Migration
イヌワシ
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
House Sparrow
Native to Europe, Asia, and North Africa. Introduced to every continent except Antarctica, making it the most widely distributed wild bird.
保全状況
イヌワシ
House Sparrow
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
House Sparrow
Males have grey crowns, chestnut napes, black bibs, and streaked brown backs. Females and juveniles are plain buffy-brown with a pale eyebrow stripe.
Short, stout, conical bill — black in breeding males, yellowish in non-breeding
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.
House Sparrow
スズメは人間の居住地に最も密接に関連する鳥の一つで、世界で最も広く分布する鳥種の一つ。原産地はヨーロッパ・アジアだが、人間とともに世界中に持ち込まれた。