Siskin (Spinus spinus)Where and when to see it in the UK
Resident · reporting peaks February to March · Finches, Euphonias, and Allies · 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.
Siskin has been recorded in 2,583 of the 2,971 10 km squares covering UK land (87%) in records to 2026. Resident in the UK. Its strongest squares are in England, Scotland and Wales. Reporting peaks in February to March.
Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List- Very high
- 28% or more of visits
- High
- 12% to 28%
- Moderate
- 5% to 12%
- Low
- under 5%
- 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 | 73% | 9% | Very high |
| February | 87% | 11% | Very high |
| March | 97% | 12% | Very high |
| April | 55% | 7% | Very high |
| May | 44% | 5% | Very high |
| June | 46% | 6% | Very high |
| July | 38% | 5% | Very high |
| August | 20% | 2% | Very high |
| September | 39% | 5% | Low |
| October | 100% | 12% | High |
| November | 91% | 11% | Very high |
| December | 67% | 8% | Very high |
Squares with the highest reporting rate in February
| Square | Where | Share of visits | Class |
|---|---|---|---|
| C62 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| C92 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D14 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| D23 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| H24 | Fermanagh and Omagh, Northern Ireland | 100% | Very high |
| J02 | Newry, Mourne and Down, Northern Ireland | 100% | Very high |
| J05 | Armagh City, Banbridge and Craigavon, Northern Ireland | 100% | Very high |
| J48 | Ards and North Down, Northern Ireland | 100% | Very high |
| J49 | Mid and East Antrim, Northern Ireland | 100% | Very high |
| NB43 | Na h-Eileanan Siar, Scotland | 100% | Very high |