Guam Rail vs White Swamphen
Hypotaenidia owstoni 比較対象 Porphyrio albus
Side-by-Side Comparison
| 属性 | Guam Rail | White Swamphen |
|---|---|---|
| 学名 | Hypotaenidia owstoni | Porphyrio albus |
| 目 | Gruiformes | Gruiformes |
| 科 | Rallidae | Rallidae |
| 保全状況 | Critically Endangered | Extinct |
| 体長 | — | — |
| 翼開長 | 22.4 cm (8.8 in) | — |
| 体重 | 230.25 g (8.12 oz) | — |
| 食性 | -- | -- |
| 一腹卵数 | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Critically Endangered
Guam Rail
Extinct
White Swamphen
About These Birds
Guam Rail
Guam Rail (Hypotaenidia owstoni), 28 cm. Brown above with barred flanks; blue-grey face; nearly flightless. Extinct in the wild on Guam by 1987 after the introduction of the brown treesnake; reintroduced to Rota Island. Omnivore. Critically Endangered (wild); captive-breeding program ongoing.
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.