White Swamphen vs Ridgway's Rail
Porphyrio albus ile kıyaslandığında Rallus obsoletus
Side-by-Side Comparison
| Özellik | White Swamphen | Ridgway's Rail |
|---|---|---|
| Bilimsel Ad | Porphyrio albus | Rallus obsoletus |
| Takım | Gruiformes | Gruiformes |
| Familya | Rallidae | Rallidae |
| Koruma Durumu | Extinct | Near Threatened |
| Uzunluk | — | — |
| Kanat Açıklığı | — | 29,6 cm (11.7 in) |
| Ağırlık | — | 295,0 g (10.41 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | -- | 4-14 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
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.