Barred Eagle-owl vs Snowy Owl
Bubo sumatranus 比較対象 Bubo scandiacus
Side-by-Side Comparison
| 属性 | Barred Eagle-owl | Snowy Owl |
|---|---|---|
| 学名 | Bubo sumatranus | Bubo scandiacus |
| 目 | Strigiformes | Strigiformes |
| 科 | Strigidae | Strigidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | 63.0 cm (24.8 in) |
| 翼開長 | 66.4 cm (26.1 in) | 145.0 cm (57.1 in) |
| 体重 | 1113.0 g (39.26 oz) | 2100.0 g (74.08 oz) |
| 食性 | -- | Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … |
| 一腹卵数 | 1 | 3-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Snowy Owl
Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.
Song & Call Comparison
Barred Eagle-owl
Snowy Owl
Male gives a deep booming hoot 'hooooo' and a rising 'hoo-hoo' series. Also barks sharply when alarmed. Quieter than many owls; silent during long Arctic winter hunts.
Geographic Range & Migration
Barred Eagle-owl
Snowy Owl
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
保全状況
Barred Eagle-owl
Snowy Owl
How to Tell Them Apart
Barred Eagle-owl
Snowy Owl
Adult males are almost entirely white. Females and immatures have dark brown barring and spotting. Yellow eyes and fully feathered feet.
Dark hooked bill mostly hidden by dense facial feathering
About These Birds
Barred Eagle-owl
スジワシミミズクは東南アジアのスマトラ・ボルネオ・マレー半島の原生林と高木二次林に生息するストリジダエ科の準絶滅危惧の大型フクロウ。体重約1,113g、翼開長66.4cm。特徴的な水平縞模様と目立つ耳房飾りを持つ。夜間に大型昆虫・小型哺乳類・鳥類を狩る。
Snowy Owl
The snowy owl is the heaviest North American owl and one of the most charismatic Arctic birds. Unlike most owls, it is largely diurnal, necessitated by the continuous daylight of Arctic summers. Snowy owl irruptions — periodic mass southward movements — are tied to lemming population cycles.