Data Zone
Justification of Red List category
This species has an extremely large range and the population size is very large, hence does not approach threatened thresholds for the range or population size criteria. The population trend is not known, but the population is not believed to be decreasing sufficiently rapidly to approach the thresholds under the population trend criterion. For these reasons the species is evaluated as Least Concern.
Population justification
In Europe, the total population size is estimated at 58,500-196,000 mature individuals, with 29,200-97,700 breeding pairs (BirdLife International 2021), and comprises approximately 90% of the species' global range, so a very preliminary estimate of the global population size is between 65,000-218,000 mature individuals, although further validation of this estimate is desirable. Europe holds most of the species' global range, but despite the data collated the population trend there is unknown (BirdLife International 2021).
Trend justification
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Text account compilers
Martin, R., Rutherford, C.A.
Recommended citation
BirdLife International (2024) Species factsheet: Eastern Bonelli's Warbler Phylloscopus orientalis. Downloaded from
https://datazone.birdlife.org/species/factsheet/eastern-bonellis-warbler-phylloscopus-orientalis on 04/12/2024.
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 04/12/2024.