Eurasian Eagle-Owl vs Mallard
Bubo bubo 比較対象 Anas platyrhynchos
Side-by-Side Comparison
| 属性 | Eurasian Eagle-Owl | Mallard |
|---|---|---|
| 学名 | Bubo bubo | Anas platyrhynchos |
| 目 | Strigiformes | Anseriformes |
| 科 | Strigidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 68.0 cm (26.8 in) | 58.0 cm (22.8 in) |
| 翼開長 | 170.0 cm (66.9 in) | 90.0 cm (35.4 in) |
| 体重 | 2800.0 g (98.77 oz) | 1100.0 g (38.80 oz) |
| 食性 | Mammals up to the size of hares and young foxes, and birds up to the … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 一腹卵数 | 2-4 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Eurasian Eagle-Owl
Rocky landscapes, cliffs, gorges, and open forest across Eurasia. Increasingly found near human settlements.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Eurasian Eagle-Owl
Powerful, resonant 'ooo-hu' duetting with mate across great distances at dusk. One of Europe's deepest owl calls. Also gives barking screams, hisses, and grunts at the nest.
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Geographic Range & Migration
Eurasian Eagle-Owl
Widespread across Europe, Asia, and North Africa. The most widely distributed eagle-owl.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
保全状況
Eurasian Eagle-Owl
Mallard
How to Tell Them Apart
Eurasian Eagle-Owl
Tawny-brown plumage heavily mottled and streaked with black. Large prominent orange eyes and long ear tufts. Streaked breast and barred belly.
Powerful, dark grey-black hooked bill
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
About These Birds
Eurasian Eagle-Owl
世界最大のフクロウで、4km先まで届く鳴き声と鋭い視力を持つ。ユーラシア全域に生息する頂点捕食者。
Mallard
世界で最も一般的なカモ。雄は光沢のある緑色の頭、白い首輪、栗色の胸が特徴。体長50〜65cm。ほぼ世界中の湖、川、池、湿地に生息。雑食性で植物や無脊椎動物を食べる。多くの家禽カモの祖先。低危険種。