Olive Ibis vs Andean Ibis
Bostrychia olivacea compared with Theristicus branickii
Side-by-Side Comparison
| Attribute | Olive Ibis | Andean Ibis |
|---|---|---|
| Scientific Name | Bostrychia olivacea | Theristicus branickii |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 69.4 cm (27.3 in) | 79.1 cm (31.1 in) |
| Weight | 866.0 g (30.55 oz) | 1492.0 g (52.63 oz) |
| Diet | -- | -- |
| Clutch Size | 3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Olive Ibis
Near Threatened
Andean Ibis
About These Birds
Olive Ibis
65 cm. Olive-brown with glossy sheen; bare red facial skin; long decurved bill. Resident in dense forest of equatorial Africa from Sierra Leone to DR Congo. Feeds on invertebrates on forest floor; solitary and secretive. Near Threatened due to forest loss.
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.