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Side-by-Side Comparison

Attribute	Reunion Ibis	Straw-necked Ibis
Scientific Name	Threskiornis solitarius	Threskiornis spinicollis
Order	Pelecaniformes	Pelecaniformes
Family	Threskiornithidae	Threskiornithidae
Conservation Status	Extinct	Least Concern
Length	—	—
Wingspan	—	72.9 cm (28.7 in)
Weight	—	1340.0 g (47.27 oz)
Diet	--	--
Clutch Size	--	2-5
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Reunion Ibis only

None

Straw-necked Ibis only

🏖️ Coastal 🌾 Grassland 🌿 Wetland

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Conservation Status

Extinct

Reunion Ibis

Least Concern

Straw-necked Ibis

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About These Birds

Reunion Ibis

Extinct; known from bone material and historical accounts from Réunion. White ibis that lived on Réunion until exterminated by hunting after European settlement in the 17th century. Long confused with other species in historical records; related to African Sacred Ibis.

Straw-necked Ibis

59–76 cm. White with black neck bristles; bare dark head; yellowish bill. Endemic to Australia in grasslands, pastures, and inland wetlands. Nomadic; follows rainfall across the continent. Feeds on insects and invertebrates in dry grassland. Often seen in mixed flocks with Australian Ibis.

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African Sacred Ibis Threskiornis aethiopicus African Spoonbill Platalea alba American White Ibis Eudocimus albus Andean Ibis Theristicus branickii All Threskiornithidae birds →

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