Recommended citation
BirdLife International (2024) Species factsheet: Hartert's Leaf-warbler Phylloscopus goodsoni. Downloaded from
https://datazone.birdlife.org/species/factsheet/harterts-leaf-warbler-phylloscopus-goodsoni on 26/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 26/12/2024.