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Side-by-Side Comparison

Attribute	Andean Ibis	Australian Ibis
Scientific Name	Theristicus branickii	Threskiornis moluccus
Order	Pelecaniformes	Pelecaniformes
Family	Threskiornithidae	Threskiornithidae
Conservation Status	Near Threatened	Least Concern
Length	—	—
Wingspan	79.1 cm (31.1 in)	70.4 cm (27.7 in)
Weight	1492.0 g (52.63 oz)	1895.0 g (66.84 oz)
Diet	--	--
Clutch Size	2	1-4
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌾 Grassland

Andean Ibis only

None

Australian Ibis only

🏖️ Coastal 🌿 Wetland

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Conservation Status

Near Threatened

Andean Ibis

Least Concern

Australian Ibis

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About These Birds

Andean Ibis

75 cm. White head and neck with chestnut tones; black upperparts; bare reddish facial skin. Restricted to Andean grasslands (puna) of Peru, Bolivia, and northwestern Argentina at 3,000–5,000 m elevation. Vulnerable; feeds on invertebrates and small vertebrates in high-altitude bogs and grasslands.

Australian Ibis

65–76 cm. White with bare black head; black wingtips; glossy blue-black ornamental plumes in breeding. Resident across Australia and New Guinea in wetlands, grasslands, and urban areas. Common and adaptable; increasingly abundant in cities. Feeds by probing for invertebrates and foraging in rubbish.

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