White-shouldered Ibis vs Straw-necked Ibis
Pseudibis davisoni compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | White-shouldered Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Pseudibis davisoni | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 81.4 cm (32.0 in) | 72.9 cm (28.7 in) |
| Weight | 1588.0 g (56.02 oz) | 1340.0 g (47.27 oz) |
| Diet | -- | -- |
| Clutch Size | 2-4 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
White-shouldered Ibis only
None
Straw-necked Ibis only
Conservation Status
Critically Endangered
White-shouldered Ibis
Least Concern
Straw-necked Ibis
About These Birds
White-shouldered Ibis
75–80 cm. Large; dark brown with white shoulder patch; bare red facial skin. Critically Endangered; fewer than 250 birds known. Restricted to lowland Mekong forests of Cambodia, Vietnam, and Myanmar. Threatened by forest clearance and hunting; one of Asia's rarest birds.
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.