Bird
Arctic Warbler
Phylloscopus borealis · Phylloscopidae · Passeriformes
Best monthsOct–Decmost records
Records88,995in 15 countries
Most seen inTaiwan45,106 records
Red ListLeast concernIUCN status
About
Arctic Warbler in brief
The arctic warbler (Phylloscopus borealis) is a bird of the Phylloscopidae family — species of leaf warbler.
Across the 15 countries we cover it has 88,995 published records, most of them from Taiwan, Singapore and Philippines. It is strongly seasonal: records peak in October, November and December and fall to their lowest in July and August.
Its global conservation status is least concern on the IUCN Red List.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
Taiwan45,106 records · best Oct, Dec
Singapore11,507 records · best Nov, Dec
Philippines7,406 records · best Nov, Oct
China5,460 records · best May, Sep
Thailand5,374 records · best Apr, Oct
Malaysia4,609 records · best Oct, Mar
Russia2,802 records · best Jun, Jul
South Korea2,017 records · best Oct, Sep
Norway2,001 records · best Jun, Jul
Mongolia1,172 records · best May, Aug
Finland739 records · best Jun, Jul
Cambodia644 records · best Oct, Nov
Laos120 records · best May, Sep
Brunei20 records · best Oct, Nov
North Korea18 records · best May, Apr
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All birds
