Calayan Rail vs Kosrae Crake
Aptenorallus calayanensis compared with Zapornia monasa
Side-by-Side Comparison
| Attribute | Calayan Rail | Kosrae Crake |
|---|---|---|
| Scientific Name | Aptenorallus calayanensis | Zapornia monasa |
| 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
Kosrae Crake
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.
Kosrae Crake
Kosrae Crake (Zapornia monasa) is an extinct flightless rail formerly endemic to Kosrae in the Caroline Islands, Micronesia. Known from bones and a single 19th-century description. Dark plumage, reduced wings. Extirpated following Polynesian and later European settlement; likely lost to introduced rats and cats.