IUCN threat status:

Endangered (EN)


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Range Description

Metabolus rugensis is widely but sparsely distributed on all, or nearly all, of the high lagoon islands, as well as some of the outer reef islets of Chuuk (= Truk), Federated States of Micronesia, with highest densities reported from Tol South. It has probably never been abundant in historic times. In 1984, numbers were estimated at 2,168 (Engbring et al. 1990). It subsequently appears to have become much rarer according to a population estimate in 2001 (G. Dutson in litt. 2003). On Tol South, no birds were found in a visit in 1991 and only 3-4 birds in 1993, although birds were seen again in 2005 (C. Collins in litt. 2005). It was thought to have been extirpated from Weno after a major fire destroyed the patch of forest where it was uncommon in the 1970s (H. D. Pratt in litt. 1994); however, two males were seen in Sopo Forest in 2005 (C. Collins in litt. 2005). The species now appears to be rare on Weno (C. Collins in litt. 2011), and according to local people it is becoming rarer on Tol South (D. Scott in litt. 2011). In addition, the species was not successfully located in December 2010 in an area on Dublon Island where it had been seen in December 2008 (D. Scott in litt. 2011).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN


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