Wren (Troglodytes troglodytes)Where and when to see it in the UK
Resident · reporting peaks March to June · Wrens · BOU category AF
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.
Wren has been recorded in 2,874 of the 2,971 10 km squares covering UK land (97%) in records to 2026. Resident in the UK. Its strongest squares are in England, Scotland and Wales. Reporting peaks in March to June.
Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List- Very high
- 60% or more of visits
- High
- 45% to 60%
- Moderate
- 30% to 45%
- Low
- under 30%
- 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 | 65% | 37% | Low |
| February | 73% | 42% | Low |
| March | 90% | 52% | Very high |
| April | 100% | 58% | Very high |
| May | 92% | 53% | Very high |
| June | 88% | 51% | Very high |
| July | 76% | 44% | Very high |
| August | 70% | 40% | Low |
| September | 68% | 39% | Low |
| October | 83% | 48% | Very high |
| November | 82% | 47% | Very high |
| December | 73% | 42% | Very high |
Squares with the highest reporting rate in March
| Square | Where | Share of visits | Class |
|---|---|---|---|
| C41 | Derry City and Strabane, Northern Ireland | 100% | Very high |
| C42 | Derry City and Strabane, Northern Ireland | 100% | Very high |
| C91 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| C92 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D12 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D22 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D23 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D24 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D30 | Mid and East Antrim, Northern Ireland | 100% | Very high |
| D40 | Mid and East Antrim, Northern Ireland | 100% | Very high |