IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

Gallinula nesiotis is found on Gough Island and Tristan da Cunha (St Helena to UK) in the South Atlantic Ocean. The nominate subspecies, endemic to Tristan, was driven extinct in the late-19th century (Nicoll 1906). In 1956, seven birds from the Gough population were reintroduced to Tristan, and this population remains on the island. In 1983, the Gough population was estimated at 2,000-3,000 pairs in 10-12 km2 of suitable habitat (Watkins and Furness 1986). This estimate has been recalculated as 4,250 pairs, based on the same pair density data but using new data on relative densities in different habitats and total habitat areas (Cuthbert and Sommer 2004). In 1984, the Tristan population was estimated at c.250 pairs and increasing. It is now distributed throughout the island, being scarce or absent only in the west (P. G. Ryan in litt. 2000).

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Source: IUCN

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