Northern Saw-whet Owl vs Eurasian Eagle-Owl
Aegolius acadicus so với Bubo bubo
Side-by-Side Comparison
| Thuộc Tính | Northern Saw-whet Owl | Eurasian Eagle-Owl |
|---|---|---|
| Tên Khoa Học | Aegolius acadicus | Bubo bubo |
| Bộ | Strigiformes | Strigiformes |
| Họ | Strigidae | Strigidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | 68,0 cm (26.8 in) |
| Chiều Dài Sải Cánh | 27,0 cm (10.6 in) | 170,0 cm (66.9 in) |
| Khối Lượng | 89,75 g (3.17 oz) | 2800,0 g (98.77 oz) |
| Chế Độ Ăn | -- | Mammals up to the size of hares and young foxes, and birds up to the … |
| Số Trứng | 3-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Northern Saw-whet Owl only
Eurasian Eagle-Owl only
Eurasian Eagle-Owl
Rocky landscapes, cliffs, gorges, and open forest across Eurasia. Increasingly found near human settlements.
Song & Call Comparison
Northern Saw-whet Owl
Eurasian Eagle-Owl
Powerful, resonant 'ooo-hu' duetting with mate across great distances at dusk. One of Europe's deepest owl calls. Also gives barking screams, hisses, and grunts at the nest.
Geographic Range & Migration
Northern Saw-whet Owl
Eurasian Eagle-Owl
Widespread across Europe, Asia, and North Africa. The most widely distributed eagle-owl.
Tình Trạng Bảo Tồn
Northern Saw-whet Owl
Eurasian Eagle-Owl
How to Tell Them Apart
Northern Saw-whet Owl
Eurasian Eagle-Owl
Tawny-brown plumage heavily mottled and streaked with black. Large prominent orange eyes and long ear tufts. Streaked breast and barred belly.
Powerful, dark grey-black hooked bill
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 …
Eurasian Eagle-Owl
The Eurasian eagle-owl is one of the largest owl species in the world, with females sometimes reaching a wingspan of nearly two meters. Its deep booming call can be heard up to four kilometers away on calm nights. These apex predators sit at the top of the avian food chain, preying on other raptors including buzzards and smaller owls.