Bearded Screech-owl vs Snowy Owl
Megascops barbarus 비교 대상 Bubo scandiacus
Side-by-Side Comparison
| 속성 | Bearded Screech-owl | Snowy Owl |
|---|---|---|
| 학명 | Megascops barbarus | Bubo scandiacus |
| 목 | Strigiformes | Strigiformes |
| 과 | Strigidae | Strigidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | 63.0 cm (24.8 in) |
| 날개 폭 | 27.2 cm (10.7 in) | 145.0 cm (57.1 in) |
| 체중 | 67.25 g (2.37 oz) | 2100.0 g (74.08 oz) |
| 식성 | -- | Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … |
| 산란 수 | 4-5 | 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
Bearded Screech-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
Bearded Screech-owl
Snowy Owl
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
보전 상태
Bearded Screech-owl
Snowy Owl
How to Tell Them Apart
Bearded Screech-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
Bearded Screech-owl
소형 귀가 있는 올빼미로 체장 약 18cm이며, 갈색 얼룩무늬에 독특한 창백한 안면 판을 갖는다. 멕시코 치아파스와 과테말라의 고지대 소나무-참나무 숲에만 서식하는 희귀 고유종이다. 밤에 곤충과 소형 척추동물을 사냥한다. 취약한 상태이다.
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.