Biak Scops-owl vs Schnee-Eule
Otus beccarii verglichen mit Bubo scandiacus
Side-by-Side Comparison
| Merkmal | Biak Scops-owl | Schnee-Eule |
|---|---|---|
| Wissenschaftlicher Name | Otus beccarii | Bubo scandiacus |
| Ordnung | Strigiformes | Strigiformes |
| Familie | Strigidae | Strigidae |
| Erhaltungsstatus | Near Threatened | Vulnerable |
| Länge | — | 63,0 cm (24.8 in) |
| Flügelspannweite | 30,4 cm (12.0 in) | 145,0 cm (57.1 in) |
| Gewicht | 127,0 g (4.48 oz) | 2100,0 g (74.08 oz) |
| Ernährung | -- | Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … |
| Gelegegröße | -- | 3-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
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Biak Scops-owl only
Schnee-Eule only
Schnee-Eule
Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.
Song & Call Comparison
Biak Scops-owl
Schnee-Eule
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
Biak Scops-owl
Schnee-Eule
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
Erhaltungsstatus
Biak Scops-owl
Schnee-Eule
How to Tell Them Apart
Biak Scops-owl
Schnee-Eule
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
Biak Scops-owl
The Biak Scops-owl is a near-threatened small owl endemic to Biak Island in West Papua, Indonesia. It has cryptic brown-mottled plumage with small ear tufts typical of scops-owls. It inhabits lowland and hill forests, hunting insects and small vertebrates at night, and its very restricted range makes it sensitive to habitat changes.
Schnee-Eule
Die Schnee-Eule ist die schwerste Eule Nordamerikas und einer der charismatischsten Vögel der Arktis. Anders als die meisten Eulen ist sie größtenteils tagaktiv – bedingt durch das durchgehende Tageslicht der arktischen Sommer. Periodische Masseneinflüge der Schnee-Eule nach Süden hängen mit den Populationszyklen der Lemminge zusammen.