Andean Ibis vs Buff-necked Ibis
Theristicus branickii compared with Theristicus caudatus
Side-by-Side Comparison
| Attribute | Andean Ibis | Buff-necked Ibis |
|---|---|---|
| Scientific Name | Theristicus branickii | Theristicus caudatus |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 79.1 cm (31.1 in) | 78.6 cm (30.9 in) |
| Weight | 1492.0 g (52.63 oz) | 1708.0 g (60.25 oz) |
| Diet | -- | -- |
| Clutch Size | 2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Andean Ibis
Least Concern
Buff-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.
Buff-necked Ibis
71–76 cm. White head and neck with rusty tone; black back; buff breast; bare yellow facial skin. Widespread in South America from Colombia and Venezuela south to Argentina in open savannas and grasslands. Feeds on invertebrates, lizards, and frogs. Common; often in pairs or small groups.