Okinawa Rail vs White Swamphen
Hypotaenidia okinawae 比較対象 Porphyrio albus
Side-by-Side Comparison
| 属性 | Okinawa Rail | White Swamphen |
|---|---|---|
| 学名 | Hypotaenidia okinawae | Porphyrio albus |
| 目 | Gruiformes | Gruiformes |
| 科 | Rallidae | Rallidae |
| 保全状況 | Endangered | Extinct |
| 体長 | — | — |
| 翼開長 | 28.6 cm (11.3 in) | — |
| 体重 | 434.0 g (15.31 oz) | — |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Okinawa Rail
Extinct
White Swamphen
About These Birds
Okinawa Rail
Okinawa Rail (Hypotaenidia okinawae), 30 cm. Dark brown above; white-barred underparts; red bill and legs. Flightless or near-flightless; endemic to the northern forests of Okinawa, Japan. Omnivore: invertebrates and plant material. Endangered; fewer than 1,500 individuals; threatened by mongoose and traffic.
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.