IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

Swynnertonia swynnertoni is restricted to a few mountains in eastern Zimbabwe, Mozambique and Tanzania. In Zimbabwe, the nominate subspecies occurs at Chirinda and a few other tiny forest patches on the border with Mozambique. In Mozambique, subspecies umbratica is common (D. C. Moyer in litt. 1999, T. Oatley in litt. 1999) on Mt Gorongosa (c.125 km2 of forest in 1970 [T. Oatley in litt. 1999]), and there are possibly no more than 1,000 individuals in central Mozambique (Parker 2005). The species was found 350 km north-east of Gorongosa on Mt Mabu in northern Mozambique in 2008, where there are perhaps 100-200 pairs in 800 ha of forest (Dowsett-Lemaire 2010). In Tanzania, subspecies rodgersi is found 1,100 km to the north in the Udzungwa Mountains, where it is rare to common locally, with densities exceptionally as high as 25 pairs/km2 in secondary forest (Butynski and Ehardt 2003), and rodgersi also occurs another 400 km to the north in lowland patches within the East Usambara Mountains (Anderson et al. 1997), where the subpopulation is probably small (Evans 1997b). The population in the Udzungwa Mountains is thought to number no more than 1,000 birds (L. Hansen in litt. 2007).It appears to be absent from other Eastern Arc mountains, despite apparently suitable habitat being available (N. Burgess in litt. 2012).

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Source: IUCN

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