Bermuda Saw-whet Owl vs Schnee-Eule
Aegolius gradyi verglichen mit Bubo scandiacus
Side-by-Side Comparison
| Merkmal | Bermuda Saw-whet Owl | Schnee-Eule |
|---|---|---|
| Wissenschaftlicher Name | Aegolius gradyi | Bubo scandiacus |
| Ordnung | Strigiformes | Strigiformes |
| Familie | Strigidae | Strigidae |
| Erhaltungsstatus | Extinct | Vulnerable |
| Länge | — | 63,0 cm (24.8 in) |
| Flügelspannweite | — | 145,0 cm (57.1 in) |
| Gewicht | — | 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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Bermuda Saw-whet 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
Bermuda Saw-whet 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
Bermuda Saw-whet Owl
Schnee-Eule
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
Erhaltungsstatus
Bermuda Saw-whet Owl
Schnee-Eule
How to Tell Them Apart
Bermuda Saw-whet 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
Bermuda Saw-whet Owl
The Bermuda Saw-whet Owl was a small owl endemic to Bermuda that became extinct in the 17th century. It is known only from fossil bones and was likely a colonist from the North American Saw-whet Owl that evolved in island isolation. Its extinction was driven by human settlement, habitat clearance, and introduced predators.
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.