Eurasian Eagle-Owl vs Bismarck Boobook
Bubo bubo compared with Ninox variegata
Side-by-Side Comparison
| Attribute | Eurasian Eagle-Owl | Bismarck Boobook |
|---|---|---|
| Scientific Name | Bubo bubo | Ninox variegata |
| Order | Strigiformes | Strigiformes |
| Family | Strigidae | Strigidae |
| Conservation Status | Least Concern | Least Concern |
| Length | 68.0 cm (26.8 in) | — |
| Wingspan | 170.0 cm (66.9 in) | 41.6 cm (16.4 in) |
| Weight | 2800.0 g (98.77 oz) | 179.0 g (6.31 oz) |
| Diet | Mammals up to the size of hares and young foxes, and birds up to the … | -- |
| Clutch Size | 2-4 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Eurasian Eagle-Owl
Rocky landscapes, cliffs, gorges, and open forest across Eurasia. Increasingly found near human settlements.
Song & Call Comparison
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.
Bismarck Boobook
Geographic Range & Migration
Eurasian Eagle-Owl
Widespread across Europe, Asia, and North Africa. The most widely distributed eagle-owl.
Bismarck Boobook
Conservation Status
Eurasian Eagle-Owl
Bismarck Boobook
How to Tell Them Apart
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
Bismarck Boobook
About These Birds
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.
Bismarck Boobook
The Bismarck Boobook is a small hawk-owl endemic to the Bismarck Archipelago in Papua New Guinea. It has brown plumage with pale spotting on the upperparts and streaked underparts typical of boobook owls. It is nocturnal, hunting small vertebrates and large insects in forest and forest edges.