Andean Ibis vs Straw-necked Ibis
Theristicus branickii compared with Threskiornis spinicollis
Side-by-Side Comparison
| Attribute | Andean Ibis | Straw-necked Ibis |
|---|---|---|
| Scientific Name | Theristicus branickii | Threskiornis spinicollis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 79.1 cm (31.1 in) | 72.9 cm (28.7 in) |
| Weight | 1492.0 g (52.63 oz) | 1340.0 g (47.27 oz) |
| Diet | -- | -- |
| Clutch Size | 2 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Andean Ibis only
None
Straw-necked Ibis only
Conservation Status
Near Threatened
Andean Ibis
Least Concern
Straw-necked Ibis
About These Birds
Andean Ibis
75 cm. White head and neck with chestnut tones; black upperparts; bare reddish facial skin. Restricted to Andean grasslands (puna) of Peru, Bolivia, and northwestern Argentina at 3,000–5,000 m elevation. Vulnerable; feeds on invertebrates and small vertebrates in high-altitude bogs and grasslands.
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.