Calayan Rail vs White Swamphen
Aptenorallus calayanensis compared with Porphyrio albus
Side-by-Side Comparison
| Attribute | Calayan Rail | White Swamphen |
|---|---|---|
| Scientific Name | Aptenorallus calayanensis | Porphyrio albus |
| Order | Gruiformes | Gruiformes |
| Family | Rallidae | Rallidae |
| Conservation Status | Vulnerable | Extinct |
| Length | — | — |
| Wingspan | — | — |
| Weight | 244.5 g (8.62 oz) | — |
| Diet | -- | -- |
| Clutch Size | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Calayan Rail
Extinct
White Swamphen
About These Birds
Calayan Rail
Calayan Rail (Aptenorallus calayanensis), 20 cm. Brown above; grey underparts; yellow-green bill; short wings suggesting flightlessness. Discovered in 2004; endemic to Calayan Island, Philippines. Inhabits forest undergrowth. Omnivore. Endangered; tiny single-island range with minimal forest remaining.
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.