Black-faced Ibis vs Straw-necked Ibis
Theristicus melanopis compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | Black-faced Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Theristicus melanopis | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 76.4 cm (30.1 in) | 72.9 cm (28.7 in) |
| Weight | 1612.5 g (56.88 oz) | 1340.0 g (47.27 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Black-faced Ibis only
None
Straw-necked Ibis only
Conservation Status
Least Concern
Black-faced Ibis
Least Concern
Straw-necked Ibis
About These Birds
Black-faced Ibis
71 cm. White head; black face mask and back; buff underparts; bare black-and-red facial skin; pink legs. Resident in southern South America (Chile, Argentina) and Andean foothills. Feeds on invertebrates in grasslands and wetlands. Moves seasonally; some populations migratory.
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.