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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	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest

Calayan Rail only

None

White Swamphen only

🌿 Wetland

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Conservation Status

Vulnerable

Calayan Rail

Extinct

White Swamphen

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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.

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More Birds to Explore

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African Crake Crex egregia African Rail Rallus caerulescens African Swamphen Porphyrio madagascariensis Allen's Gallinule Porphyrio alleni All Rallidae birds →

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