African Openbill vs Asian Openbill
Anastomus lamelligerus 比較対象 Anastomus oscitans
Side-by-Side Comparison
| 属性 | African Openbill | Asian Openbill |
|---|---|---|
| 学名 | Anastomus lamelligerus | Anastomus oscitans |
| 目 | Ciconiiformes | Ciconiiformes |
| 科 | Ciconiidae | Ciconiidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 78.8 cm (31.0 in) | 79.4 cm (31.3 in) |
| 体重 | 1014.0 g (35.77 oz) | 1590.0 g (56.09 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-5 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
African Openbill
Least Concern
Asian Openbill
About These Birds
African Openbill
72–90 cm. All-black plumage with gloss; distinctive large bill with a gap between mandibles adapted for extracting apple snails. Resident across sub-Saharan Africa and Madagascar in wetlands, rivers, and rice paddies. Feeds almost exclusively on molluscs. Colonial breeder in trees near water.
Asian Openbill
68–81 cm. White plumage with black flight feathers; same gaping bill as African Openbill. Resident across South and Southeast Asia in wetlands, paddy fields, and river floodplains. Feeds primarily on apple snails; colonial nester in trees. Often seen in large flocks near agricultural land.