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Side-by-Side Comparison

Attribute	Mascarene Coot	Guam Rail
Scientific Name	Fulica newtonii	Hypotaenidia owstoni
Order	Gruiformes	Gruiformes
Family	Rallidae	Rallidae
Conservation Status	Extinct	Critically Endangered
Length	—	—
Wingspan	—	22.4 cm (8.8 in)
Weight	—	230.25 g (8.12 oz)
Diet	--	--
Clutch Size	--	3-4
Population Trend	—	—

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Habitat Comparison

Shared Habitats

None

Mascarene Coot only

🌿 Wetland

Guam Rail only

🌲 Forest

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Conservation Status

Extinct

Mascarene Coot

Critically Endangered

Guam Rail

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About These Birds

Mascarene Coot

Mascarene Coot (Fulica newtonii) is an extinct giant coot formerly inhabiting Mauritius and Réunion in the Indian Ocean. Larger than Eurasian Coot; likely flightless or near-flightless. Extirpated by hunting and introduced predators in the 17th–18th centuries. Known from subfossil remains and written accounts by early European visitors.

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.

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