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Side-by-Side Comparison

Attribute	Budgerigar	Swift Parrot
Scientific Name	Melopsittacus undulatus	Lathamus discolor
Order	Psittaciformes	Psittaciformes
Family	Psittaculidae	Psittaculidae
Conservation Status	Least Concern	Critically Endangered
Length	18.0 cm (7.1 in)	—
Wingspan	30.0 cm (11.8 in)	24.6 cm (9.7 in)
Weight	30.0 g (1.06 oz)	60.5 g (2.13 oz)
Diet	Primarily grass seeds and other small seeds. In the wild, feeds on the ground in …	--
Clutch Size	4-6	3-5
Population Trend	—	—

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Size Comparison

Body Length

Budgerigar 18.0 cm

Swift Parrot —

Wingspan

Budgerigar 30.0 cm

Swift Parrot 24.6 cm

Weight

Budgerigar 30.0 g

Swift Parrot 60.5 g

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Habitat Comparison

Shared Habitats

None

Budgerigar only

🏜️ Desert 🌾 Grassland

Swift Parrot only

🌲 Forest

Budgerigar

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

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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.

Swift Parrot

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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.

Swift Parrot

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Conservation Status

Least Concern

Budgerigar

Critically Endangered

Swift Parrot

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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

Swift Parrot

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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.

Swift Parrot

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Related Comparisons

House Sparrow vs Budgerigar

look-alike

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