IUCN threat status:

Critically Endangered (CR)

Distribution

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Range Description

Aphrastura masafuerae is endemic to Alejandro Selkirk (Ms Afuera) in the Juan Fernndez Islands, Chile. The population was estimated at c. 500 individuals in the mid-1980s (Brooke 1988). Its size is now uncertain, with estimates in 2002 (I. Hahn, P. Hodum and M. Wainstein in litt. 2003) and 2011 (I. Hahn in litt. 2012) both putting the population at c. 140 individuals (representing a 72% decline since the 1980s), but survey work in between (2006-2007) estimating a population similar to the c. 500 individuals estimated 20 years previously (Tomasevic et al. 2010). Its breeding range is restricted to one fifth of the island (Hahn et al. 2011).

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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