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Side-by-Side Comparison

Attribute	Eurasian Eagle-Owl	Cloud-forest Pygmy-owl
Scientific Name	Bubo bubo	Glaucidium nubicola
Order	Strigiformes	Strigiformes
Family	Strigidae	Strigidae
Conservation Status	Least Concern	Vulnerable
Length	68.0 cm (26.8 in)	—
Wingspan	170.0 cm (66.9 in)	18.4 cm (7.2 in)
Weight	2800.0 g (98.77 oz)	77.39999999999999 g (2.73 oz)
Diet	Mammals up to the size of hares and young foxes, and birds up to the …	--
Clutch Size	2-4	2-3
Population Trend	—	—

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Size Comparison

Body Length

Eurasian Eagle-Owl 68.0 cm

Cloud-forest Pygmy-owl —

Wingspan

Eurasian Eagle-Owl 170.0 cm

Cloud-forest Pygmy-owl 18.4 cm

Weight

Eurasian Eagle-Owl 2800.0 g

Cloud-forest Pygmy-owl 77.39999999999999 g

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Habitat Comparison

Shared Habitats

🌲 Forest

Eurasian Eagle-Owl only

🌾 Grassland

Cloud-forest Pygmy-owl only

None

Eurasian Eagle-Owl

Rocky landscapes, cliffs, gorges, and open forest across Eurasia. Increasingly found near human settlements.

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Song & Call Comparison

Eurasian Eagle-Owl

Song

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.

Cloud-forest Pygmy-owl

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Geographic Range & Migration

Eurasian Eagle-Owl

Widespread across Europe, Asia, and North Africa. The most widely distributed eagle-owl.

Cloud-forest Pygmy-owl

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Conservation Status

Least Concern

Eurasian Eagle-Owl

Vulnerable

Cloud-forest Pygmy-owl

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How to Tell Them Apart

Eurasian Eagle-Owl

Plumage

Tawny-brown plumage heavily mottled and streaked with black. Large prominent orange eyes and long ear tufts. Streaked breast and barred belly.

Bill

Powerful, dark grey-black hooked bill

Cloud-forest Pygmy-owl

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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.

Cloud-forest Pygmy-owl

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Related Comparisons

Eurasian Eagle-Owl vs African Penguin

look-alike

Great Horned Owl vs Eurasian Eagle-Owl

same-family

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