{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

Attribute	Sulphur-crested Cockatoo	Cockatiel
Scientific Name	Cacatua galerita	Nymphicus hollandicus
Order	Psittaciformes	Psittaciformes
Family	Cacatuidae	Cacatuidae
Conservation Status	Least Concern	Least Concern
Length	—	32.0 cm (12.6 in)
Wingspan	69.5 cm (27.4 in)	40.0 cm (15.7 in)
Weight	761.0 g (26.84 oz)	90.0 g (3.17 oz)
Diet	--	Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, …
Clutch Size	2-3	1-7
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #}

Size Comparison

Body Length

Sulphur-crested Cockatoo —

Cockatiel 32.0 cm

Wingspan

Sulphur-crested Cockatoo 69.5 cm

Cockatiel 40.0 cm

Weight

Sulphur-crested Cockatoo 761.0 g

Cockatiel 90.0 g

{# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

Shared Habitats

🌲 Forest

Sulphur-crested Cockatoo only

None

Cockatiel only

None

Cockatiel

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

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

Song & Call Comparison

Sulphur-crested Cockatoo

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.

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #}

Geographic Range & Migration

Sulphur-crested Cockatoo

Cockatiel

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

{# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

Conservation Status

Least Concern

Sulphur-crested Cockatoo

Least Concern

Cockatiel

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

How to Tell Them Apart

Sulphur-crested Cockatoo

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

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Sulphur-crested Cockatoo

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.

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #}

Related Comparisons

Cockatiel vs Arctic Tern

look-alike

{# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

More from Cacatuidae

Baudin's Black-cockatoo Zanda baudinii Blue-eyed Cockatoo Cacatua ophthalmica Carnaby's Black-cockatoo Zanda latirostris Citron-crested Cockatoo Cacatua citrinocristata All Cacatuidae birds →

Explore the Nature FYI Family

🧬 SpeciesFYI

Species & Taxonomy

🦕 DinoFYI

6,000+ Dinosaurs

🐟 FishFYI

Fish & Marine Life

🌿 PlantFYI

379,000+ Plants