Southern Bald Ibis vs Black-headed Ibis
Geronticus calvus compared with Threskiornis melanocephalus
Side-by-Side Comparison
| Attribute | Southern Bald Ibis | Black-headed Ibis |
|---|---|---|
| Scientific Name | Geronticus calvus | Threskiornis melanocephalus |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Threskiornithidae | Threskiornithidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 77.6 cm (30.6 in) | 70.0 cm (27.6 in) |
| Weight | 1202.0 g (42.40 oz) | 1303.0 g (45.96 oz) |
| Diet | -- | -- |
| Clutch Size | 1-3 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Southern Bald Ibis
Least Concern
Black-headed Ibis
About These Birds
Southern Bald Ibis
79 cm. Glossy black with metallic sheen; bare pink facial skin; red bill and legs. Endemic to South Africa and Lesotho in mountain grasslands and escarpments. Vulnerable; feeds on insects and small vertebrates in short grassland. Colonial breeder on cliff ledges; at risk from pesticides and habitat loss.
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.