Short-eared Owl vs Great Horned Owl
Asio flammeus 比較対象 Bubo virginianus
Side-by-Side Comparison
| 属性 | Short-eared Owl | Great Horned Owl |
|---|---|---|
| 学名 | Asio flammeus | Bubo virginianus |
| 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 | 59.4 cm (23.4 in) | 127.0 cm (50.0 in) |
| 体重 | 353.75 g (12.48 oz) | 1400.0 g (49.38 oz) |
| 食性 | -- | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … |
| 一腹卵数 | 5-10 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Short-eared Owl only
Great Horned Owl only
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
Short-eared Owl
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.
Geographic Range & Migration
Short-eared Owl
Great Horned Owl
North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.
保全状況
Short-eared Owl
Great Horned Owl
How to Tell Them Apart
Short-eared Owl
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
About These Birds
Short-eared Owl
北極圏から亜熱帯まで世界中に分布するフクロウ（体長34〜43cm）。短い耳羽と黄色い目が特徴。Asio flammeus（コミミズク）は草原、湿地、ツンドラに生息し、日中でも狩りをすることがある。特にコレクション・ゲームとして知られる「蜂起型」飛行で草地のマウスを捕食する。Strigidae科。
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.