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Range DescriptionPhylloscopus amoenus is endemic to the extinct volcano of Kolombangara, Solomon Islands, where it has been recorded above c.1,200 m and is presumed to occur to the summit at 1,740 m, at least on the Northeastern side (C. Filardi in litt. 2012). Its total range is therefore 21 km2, although much of this is unsuitable, being open forest on the inner slopes of the volcanic caldera. No more than two pairs have been recorded on any one visit, but it is estimated that the population could number 1,000-2,000 individuals. At the highest elevations on Kolombangara this bird appears to be the second most abundant passerine, behind Hermit White-eye Zosterops murphyi, with loose groups of 6-8 individuals encountered at times (C. Filardi in litt. 2012). There is no evidence of any long-term population changes (Buckingham et al. 1995, G.Dutson pers. obs. 1998, M.Iles verbally 1998, Hornbuckle 1999a).