Bermuda Saw-whet Owl vs Virginia-Uhu
Aegolius gradyi verglichen mit Bubo virginianus
Side-by-Side Comparison
| Merkmal | Bermuda Saw-whet Owl | Virginia-Uhu |
|---|---|---|
| Wissenschaftlicher Name | Aegolius gradyi | Bubo virginianus |
| Ordnung | Strigiformes | Strigiformes |
| Familie | Strigidae | Strigidae |
| Erhaltungsstatus | Extinct | Least Concern |
| Länge | — | 55,0 cm (21.7 in) |
| Flügelspannweite | — | 127,0 cm (50.0 in) |
| Gewicht | — | 1400,0 g (49.38 oz) |
| Ernährung | -- | Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … |
| Gelegegröße | -- | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Bermuda Saw-whet Owl only
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Virginia-Uhu only
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
Bermuda 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
Bermuda 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
Bermuda Saw-whet Owl
Virginia-Uhu
How to Tell Them Apart
Bermuda 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
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.
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.