Hume's Warbler (Phylloscopus humei)Where and when to see it in the UK
Winter visitor · reporting peaks January · Leaf Warblers · BOU category A
Peak months
Contains OS data © Crown copyright and database right 2026 (grid squares, place names from OS Open Names). Northern Ireland place names: OSNI Open Data, OGL v3.0. County and country boundaries: Office for National Statistics, Open Government Licence v3.0. Coastline: Natural Earth. Bird records from the data partners listed here.
Hume's Warbler has been recorded in 57 of the 2,971 10 km squares covering UK land (2%) in records to 2026. Winter visitor in the UK. Its strongest squares are in England, Scotland and Wales. Reporting peaks in January.
Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List- Very high
- 100% or more of visits
- High
- 4% to 100%
- Moderate
- <1% to 4%
- Low
- under <1%
- Surveyed, not recorded
- at least 20 qualifying visits, no record
- Insufficient records
- too few visits to say
- Lighter fill
- Few visits, lower confidence
- Small dot
- Occasional: a single record, or out of season
Relative to this species' best squares (how classes are calculated)
Seasonality
| Month | Relative to peak | Share of visits | Typical class |
|---|---|---|---|
| January | 100% | <1% | Low |
| February | 60% | <1% | High |
| March | 12% | <1% | Low |
| April | 2% | <1% | Very high |
| May | 0% | <1% | Insufficient records |
| June | 0% | <1% | Very high |
| July | 0% | <1% | Insufficient records |
| August | 0% | <1% | Insufficient records |
| September | 0% | <1% | Insufficient records |
| October | 10% | <1% | Very high |
| November | 60% | <1% | Moderate |
| December | 79% | <1% | High |
Squares with the highest reporting rate in January
| Square | Where | Share of visits | Class |
|---|---|---|---|
| ST65 | Bath and North East Somerset, England | 100% | Very high |
| TV69 | East Sussex, England | 84% | High |
| ST66 | Bath and North East Somerset, England | 38% | High |
| TR34 | Kent, England | 13% | High |
| TF74 | Norfolk, England | 5% | High |
| TQ40 | East Sussex, England | 4% | Moderate |
| TG42 | Norfolk, England | <1% | Moderate |
| TR02 | Kent, England | <1% | Low |
| TR36 | Kent, England | <1% | Low |
| SP29 | Warwickshire, England | <1% | Low |