Black-headed Ibis vs Straw-necked Ibis
Threskiornis melanocephalus compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | Black-headed Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Threskiornis melanocephalus | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 70.0 cm (27.6 in) | 72.9 cm (28.7 in) |
| Weight | 1303.0 g (45.96 oz) | 1340.0 g (47.27 oz) |
| Diet | -- | -- |
| Clutch Size | 2-4 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Black-headed Ibis only
None
Straw-necked Ibis only
Conservation Status
Least Concern
Black-headed Ibis
Least Concern
Straw-necked Ibis
About These Birds
Black-headed Ibis
65–76 cm. White with bare black head; black wingtips and neck feathers. Resident across South and Southeast Asia in wetlands, rice paddies, and grasslands. Near Threatened; declining due to habitat loss and hunting. Feeds by probing in shallow water for fish and invertebrates; colonial nester.
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.