Giant Ibis vs Andean Ibis
Thaumatibis gigantea compared with Theristicus branickii
Side-by-Side Comparison
| Attribute | Giant Ibis | Andean Ibis |
|---|---|---|
| Scientific Name | Thaumatibis gigantea | Theristicus branickii |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Critically Endangered | Near Threatened |
| Length | — | — |
| Wingspan | 106.6 cm (42.0 in) | 79.1 cm (31.1 in) |
| Weight | 3515.0 g (123.99 oz) | 1492.0 g (52.63 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Giant Ibis
Near Threatened
Andean Ibis
About These Birds
Giant Ibis
102–106 cm. Massive; dark brown with naked grey head; heavy downcurved grey bill; red legs. Critically Endangered; world's largest ibis with fewer than 250 adults. Breeds in Cambodian lowland forests and adjacent Laos. Threatened by logging, hunting, and human disturbance near nests.
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.