Northern Saw-whet Owl vs Schnee-Eule
Aegolius acadicus verglichen mit Bubo scandiacus
Side-by-Side Comparison
| Merkmal | Northern Saw-whet Owl | Schnee-Eule |
|---|---|---|
| Wissenschaftlicher Name | Aegolius acadicus | Bubo scandiacus |
| Ordnung | Strigiformes | Strigiformes |
| Familie | Strigidae | Strigidae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | 63,0 cm (24.8 in) |
| Flügelspannweite | 27,0 cm (10.6 in) | 145,0 cm (57.1 in) |
| Gewicht | 89,75 g (3.17 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 | 3-7 | 3-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Northern 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
Northern 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
Northern Saw-whet Owl
Schnee-Eule
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
Erhaltungsstatus
Northern Saw-whet Owl
Schnee-Eule
How to Tell Them Apart
Northern 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
Northern Saw-whet Owl
The Northern Saw-whet Owl (<em>Aegolius acadicus</em>) is a small nocturnal raptor in the family Strigidae, found across forested and wetland habitats of North America. Detailed plumage and behavioral descriptions beyond nesting parameters are limited in the available data fields, though the species is relatively well studied. It is assessed as Least Concern globally. This species nests in tree cavities, often utilizing old woodpecker holes, and does not excavate its own nest site. Incubation lasts approximately 27 to 29 days, and …
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.