White Swamphen vs Ridgway's Rail
Porphyrio albus 对比 Rallus obsoletus
Side-by-Side Comparison
| 属性 | White Swamphen | Ridgway's Rail |
|---|---|---|
| 学名 | Porphyrio albus | Rallus obsoletus |
| 目 | Gruiformes | Gruiformes |
| 科 | Rallidae | Rallidae |
| 保护状况 | Extinct | Near Threatened |
| 体长 | — | — |
| 翼展 | — | 29.6 cm (11.7 in) |
| 体重 | — | 295.0 g (10.41 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | 4-14 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Extinct
White Swamphen
Near Threatened
Ridgway's Rail
About These Birds
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.
Ridgway's Rail
Ridgway's Rail (Rallus obsoletus), 38 cm. Long-billed; brown above; rufous breast; barred flanks. Found in coastal saltmarshes and freshwater marshes of California and Baja California. Omnivore: crabs, fish, invertebrates. Endangered; severe tidal marsh loss and sea-level rise.