Olive Ibis vs Straw-necked Ibis
Bostrychia olivacea compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | Olive Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Bostrychia olivacea | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 69.4 cm (27.3 in) | 72.9 cm (28.7 in) |
| Weight | 866.0 g (30.55 oz) | 1340.0 g (47.27 oz) |
| Diet | -- | -- |
| Clutch Size | 3 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Olive Ibis only
None
Straw-necked Ibis only
Conservation Status
Least Concern
Olive Ibis
Least Concern
Straw-necked Ibis
About These Birds
Olive Ibis
65 cm. Olive-brown with glossy sheen; bare red facial skin; long decurved bill. Resident in dense forest of equatorial Africa from Sierra Leone to DR Congo. Feeds on invertebrates on forest floor; solitary and secretive. Near Threatened due to forest loss.
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.