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Side-by-Side Comparison

Attribute	Cockatiel	Yellow-tailed Black-cockatoo
Scientific Name	Nymphicus hollandicus	Zanda funerea
Order	Psittaciformes	Psittaciformes
Family	Cacatuidae	Cacatuidae
Conservation Status	Least Concern	Least Concern
Length	32.0 cm (12.6 in)	—
Wingspan	40.0 cm (15.7 in)	85.2 cm (33.5 in)
Weight	90.0 g (3.17 oz)	735.0 g (25.93 oz)
Diet	Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, …	--
Clutch Size	1-7	1
Population Trend	—	—

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Size Comparison

Body Length

Cockatiel 32.0 cm

Yellow-tailed Black-cockatoo —

Wingspan

Cockatiel 40.0 cm

Yellow-tailed Black-cockatoo 85.2 cm

Weight

Cockatiel 90.0 g

Yellow-tailed Black-cockatoo 735.0 g

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Habitat Comparison

Shared Habitats

🌲 Forest

Cockatiel only

None

Yellow-tailed Black-cockatoo only

None

Cockatiel

Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.

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Song & Call Comparison

Cockatiel

Song

A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.

Yellow-tailed Black-cockatoo

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Geographic Range & Migration

Cockatiel

Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.

Yellow-tailed Black-cockatoo

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Conservation Status

Least Concern

Cockatiel

Least Concern

Yellow-tailed Black-cockatoo

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How to Tell Them Apart

Cockatiel

Plumage

Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.

Bill

Short, curved, grey bill

Yellow-tailed Black-cockatoo

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About These Birds

Cockatiel

The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.

Yellow-tailed Black-cockatoo

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Related Comparisons

Cockatiel vs Arctic Tern

look-alike

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