Dwarf Ibis vs Straw-necked Ibis
Bostrychia bocagei compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | Dwarf Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Bostrychia bocagei | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 47.4 cm (18.7 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
Dwarf Ibis only
None
Straw-necked Ibis only
Conservation Status
Critically Endangered
Dwarf Ibis
Least Concern
Straw-necked Ibis
About These Birds
Dwarf Ibis
45–50 cm. Small ibis; dark brown with olive gloss; bare facial skin. Critically Endangered; endemic to São Tomé Island (Gulf of Guinea). Fewer than 250 birds; threatened by forest clearance and hunting. The world's smallest ibis; feeds on earthworms and invertebrates in moist forest.
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.