Great Horned Owl vs Tawny Owl
Bubo virginianus 比較対象 Strix aluco
Side-by-Side Comparison
| 属性 | Great Horned Owl | Tawny Owl |
|---|---|---|
| 学名 | Bubo virginianus | Strix aluco |
| 目 | Strigiformes | Strigiformes |
| 科 | Strigidae | Strigidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 55.0 cm (21.7 in) | — |
| 翼開長 | 127.0 cm (50.0 in) | 53.0 cm (20.9 in) |
| 体重 | 1400.0 g (49.38 oz) | 480.0 g (16.93 oz) |
| 食性 | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … | -- |
| 一腹卵数 | 1-4 | 2-9 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Great Horned Owl
Diverse habitats including forests, deserts, swamps, urban parks, and suburban areas. Nests in tree hollows, cliff ledges, and abandoned nests of other large birds.
Song & Call Comparison
Great Horned Owl
Deep, resonant 'who-who-who-who-ooo': the classic 'hoo-h'HOO-hoo-hoo' territorial duet of a mated pair. Booms at dusk. Female pitch slightly higher than male.
Tawny Owl
Geographic Range & Migration
Great Horned Owl
North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.
Tawny Owl
保全状況
Great Horned Owl
Tawny Owl
How to Tell Them Apart
Great Horned Owl
Mottled grey-brown plumage with heavy dark barring. Prominent ear tufts, yellow eyes, and a white throat patch give a fierce expression.
Dark grey-black hooked bill almost hidden by facial disc feathers
Tawny Owl
About These Birds
Great Horned Owl
The great horned owl is the most powerful and widespread owl in the Americas, earning the nickname tiger of the sky. It is one of the earliest nesting birds, often laying eggs in January when snow still covers the ground. Great horned owls are fierce predators, regularly taking prey up to three times their own weight.
Tawny Owl
ヨーロッパ・アジアの広葉樹林に広く分布するフクロウ（体長37〜43cm）。赤褐色または灰色の体と大きな黒い目が特徴。Strix aluco（モリフクロウ）は「フゥーフゥー」という有名なホーホー鳴きをする代表的なフクロウで、木の洞に営巣し、ネズミなどを主食とする。ヨーロッパの森林で最も一般的なフクロウ。Strigidae科。