LC
Two-barred Warbler Phylloscopus plumbeitarsus



Taxonomy

Taxonomic note
Phylloscopus trochiloides , P. nitidus and P. plumbeitarsus (del Hoyo and Collar 2016) were previously lumped as P. trochiloides (see AERC TAC [2003]; Cramp et al. [1977-1994]; Sibley & Monroe [1990, 1993]).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
Species attributes

Migratory status full migrant Forest dependency Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 6,290,000
Extent of Occurrence non-breeding (km2) 2,640,000
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Stable suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 3.6 - - -

Population justification: The population size has not been estimated but the species is described as common or locally common in NE China; locally common elsewhere in breeding range (Clement 2016).

Trend justification: The population trend is suspected to be stable in the absence of any evidence of declines or significant threats.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Cambodia N Extant Yes
China (mainland) N Extant Yes
Hong Kong (China) V Extant
Laos N Extant Yes
Macao (China) N Extant Yes
Malaysia V Extant
Mongolia N Extant Yes
Myanmar N Extant Yes
North Korea N Extant Yes
Russia N Extant Yes
Russia (Asian) N Extant Yes
Russia (Central Asian) N Extant Yes
South Korea N Extant Yes
Thailand N Extant Yes
United Kingdom V Extant
Vietnam N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Plantations suitable non-breeding
Artificial/Terrestrial Rural Gardens suitable non-breeding
Artificial/Terrestrial Rural Gardens suitable breeding
Forest Boreal major breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Forest Subtropical/Tropical Moist Lowland suitable non-breeding
Forest Temperate suitable breeding
Shrubland Boreal suitable breeding
Shrubland Temperate suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable breeding
Altitude 0 - 4500 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2019) Species factsheet: Phylloscopus plumbeitarsus. Downloaded from http://www.birdlife.org on 26/08/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/08/2019.