Northern Saw-whet Owl vs Virginia-Uhu
Aegolius acadicus verglichen mit Bubo virginianus
Side-by-Side Comparison
| Merkmal | Northern Saw-whet Owl | Virginia-Uhu |
|---|---|---|
| Wissenschaftlicher Name | Aegolius acadicus | Bubo virginianus |
| Ordnung | Strigiformes | Strigiformes |
| Familie | Strigidae | Strigidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | 55,0 cm (21.7 in) |
| Flügelspannweite | 27,0 cm (10.6 in) | 127,0 cm (50.0 in) |
| Gewicht | 89,75 g (3.17 oz) | 1400,0 g (49.38 oz) |
| Ernährung | -- | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … |
| Gelegegröße | 3-7 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Northern Saw-whet Owl only
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Virginia-Uhu
Diverse habitats including forests, deserts, swamps, urban parks, and suburban areas. Nests in tree hollows, cliff ledges, and abandoned nests of other large birds.
Song & Call Comparison
Northern Saw-whet Owl
Virginia-Uhu
Deep, resonant 'who-who-who-who-ooo': the classic 'hoo-h'HOO-hoo-hoo' territorial duet of a mated pair. Booms at dusk. Female pitch slightly higher than male.
Geographic Range & Migration
Northern Saw-whet Owl
Virginia-Uhu
North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.
Erhaltungsstatus
Northern Saw-whet Owl
Virginia-Uhu
How to Tell Them Apart
Northern Saw-whet Owl
Virginia-Uhu
Mottled grey-brown plumage with heavy dark barring. Prominent ear tufts, yellow eyes, and a white throat patch give a fierce expression.
Dark grey-black hooked bill almost hidden by facial disc feathers
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 …
Virginia-Uhu
Der Virginia-Uhu ist die kraftvollste und am weitesten verbreitete Eule Amerikas und trägt daher den Beinamen Tiger des Himmels. Er zählt zu den frühesten Brutvögeln und legt seine Eier oft schon im Januar, wenn noch Schnee liegt. Der Virginia-Uhu ist ein gefürchteter Jäger, der regelmäßig Beute erlegt, die bis zu dreimal so schwer ist wie er selbst.