Roviana Rail vs White Swamphen
Hypotaenidia rovianae 对比 Porphyrio albus
Side-by-Side Comparison
| 属性 | Roviana Rail | White Swamphen |
|---|---|---|
| 学名 | Hypotaenidia rovianae | Porphyrio albus |
| 目 | Gruiformes | Gruiformes |
| 科 | Rallidae | Rallidae |
| 保护状况 | Least Concern | Extinct |
| 体长 | — | — |
| 翼展 | 29.1 cm (11.5 in) | — |
| 体重 | 353.1 g (12.46 oz) | — |
| 食性 | -- | -- |
| 产卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Roviana Rail
Extinct
White Swamphen
About These Birds
Roviana Rail
Roviana Rail (Hypotaenidia rovianae), 28 cm. Brown and white barred; red bill. Endemic to New Georgia and Vangunu Islands, Solomon Islands. Inhabits grassland and open scrub. Omnivore. Endangered; restricted range with logging and introduced predator pressure.
White Swamphen
White Swamphen (Porphyrio albus) is an extinct all-white swamphen formerly endemic to Lord Howe Island, Australia. Known from specimens collected around 1790 and early drawings; had reduced wings indicating flightlessness or near-flightlessness. Extirpated by hunting after European discovery. Related to Australasian Swamphen.