Andean Ibis vs Black-headed Ibis
Theristicus branickii compared with Threskiornis melanocephalus
Side-by-Side Comparison
| Attribute | Andean Ibis | Black-headed Ibis |
|---|---|---|
| Scientific Name | Theristicus branickii | Threskiornis melanocephalus |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 79.1 cm (31.1 in) | 70.0 cm (27.6 in) |
| Weight | 1492.0 g (52.63 oz) | 1303.0 g (45.96 oz) |
| Diet | -- | -- |
| Clutch Size | 2 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Andean Ibis
Least Concern
Black-headed 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.
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.