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Phylloscopus trivirgatus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PASSERIFORMES SYLVIIDAE

Scientific Name: Phylloscopus trivirgatus
Species Authority: Strickland, 1849
Common Name(s):
English Mountain Leaf-warbler, Mountain Leaf Warbler, Mountain Leaf-Warbler
Taxonomic Notes: Phylloscopus trivirgatus (Sibley and Monroe 1990, 1993) was split into P. trivirgatus and P. benguetensis on molecular evidence (Olsson et al. 2005), but without comparisons with other taxa in the Philippines the BirdLife Taxonomic Working Group feel it would be premature to separate it out from them or from any other part of the P. trivirgatus complex.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Facilitator/Compiler(s): Ekstrom, J., Butchart, S.
Justification:
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.

Geographic Range [top]

Countries:
Native:
Indonesia; Malaysia; Philippines; Thailand
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The global population size has not been quantified, but the species is reported to be common on peninsular Malaysia, locally abundant in the Greater Sundas and common in the Philippines (MacKinnon and Phillipps 1993, Robson 2000, Kennedy et al. 2000).
Population Trend: Stable

Habitat and Ecology [top]

Systems: Terrestrial

Citation: BirdLife International 2012. Phylloscopus trivirgatus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 29 August 2014.
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