|Scientific Name:||Phylloscopus yunnanensis Alström, Olsson & Colston, 1992|
Phylloscopus sichuanensis BirdLife International (2005)
|Taxonomic Source(s):||Alström, P.; Olsson, U.; Colston, P. R. 1992. A new species of Phylloscopus warbler from central China. Ibis 134: 329-334.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Butchart, S. & Symes, A.|
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
|Previously published Red List assessments:|
Native:China (Hebei, Shanxi, Sichuan); Myanmar; Thailand
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The global population size has not been quantified, but the species is described as locally abundant in its breeding range and locally rather common in Thailand during its non-breeding season (del Hoyo et al. 2006), while the population in China has been estimated at c.100-10,000 breeding pairs and c.50-1,000 individuals on migration (Brazil 2009).|
Trend Justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
|Current Population Trend:||Stable|
|Citation:||BirdLife International. 2016. Phylloscopus yunnanensis. The IUCN Red List of Threatened Species 2016: e.T22732052A95041483.Downloaded on 23 February 2018.|
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