Budgerigar vs Eurasian Eagle-Owl

Melopsittacus undulatus compared with Bubo bubo

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Side-by-Side Comparison

Attribute Budgerigar Eurasian Eagle-Owl
Scientific Name Melopsittacus undulatus Bubo bubo
Order Psittaciformes Strigiformes
Family Psittaculidae Strigidae
Conservation Status Least Concern Least Concern
Length 18.0 cm (7.1 in) 68.0 cm (26.8 in)
Wingspan 30.0 cm (11.8 in) 170.0 cm (66.9 in)
Weight 30.0 g (1.06 oz) 2800.0 g (98.77 oz)
Diet Primarily grass seeds and other small seeds. In the wild, feeds on the ground in … Mammals up to the size of hares and young foxes, and birds up to the …
Clutch Size 4-6 2-4
Population Trend
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Size Comparison

Body Length
Budgerigar 18.0 cm
Eurasian Eagle-Owl 68.0 cm
Wingspan
Budgerigar 30.0 cm
Eurasian Eagle-Owl 170.0 cm
Weight
Budgerigar 30.0 g
Eurasian Eagle-Owl 2800.0 g
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Habitat Comparison

Shared Habitats

Budgerigar only

Eurasian Eagle-Owl only

Budgerigar

Open grasslands, scrublands, and woodland in the Australian interior. Nomadic, following rainfall and seeding events.

Eurasian Eagle-Owl

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

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Song & Call Comparison

Budgerigar

Song

A rising, chattering 'budgerigar' chatter: rapid series of 'chek-chek-chek' and melodic warbling. Enormous wild flocks produce a continuous roaring chorus. Good vocal mimics in captivity.

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.

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Geographic Range & Migration

Budgerigar

Interior of Australia, especially arid and semi-arid regions. One of the most popular pet birds worldwide.

Eurasian Eagle-Owl

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

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Conservation Status

Least Concern

Budgerigar

Least Concern

Eurasian Eagle-Owl

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How to Tell Them Apart

Budgerigar

Plumage

Wild-type is green with yellow head and barred black scalloping on upperparts. Captive-bred varieties include blue, white, yellow, and many other colors.

Bill

Short, downward-curved, olive-grey bill typical of parakeets

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

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About These Birds

Budgerigar

The budgerigar is the third most popular pet in the world after dogs and cats, and by far the most common pet parrot. Wild budgies travel in enormous nomadic flocks that can darken the sky. Males can learn to mimic human speech, with one record-holding budgie having a vocabulary of 1,728 words.

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.

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