Greylag Goose (Anser anser)Where and when to see it in the UK
Resident · reporting peaks March to May · Ducks, Swans, and Geese · BOU category AC2C4E*F

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.
Greylag Goose has been recorded in 2,425 of the 2,971 10 km squares covering UK land (82%) in records to 2026. Resident in the UK. Its strongest squares are in England, Scotland and Wales. Reporting peaks in March to May.
Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List- Very high
- 43% or more of visits
- High
- 20% to 43%
- Moderate
- 8% to 20%
- Low
- under 8%
- 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 | 70% | 19% | Very high |
| February | 72% | 20% | Very high |
| March | 89% | 24% | Very high |
| April | 100% | 27% | Very high |
| May | 94% | 26% | Very high |
| June | 68% | 19% | High |
| July | 73% | 20% | Very high |
| August | 73% | 20% | Very high |
| September | 71% | 20% | Very high |
| October | 73% | 20% | Very high |
| November | 68% | 19% | Very high |
| December | 65% | 18% | Very high |
Squares with the highest reporting rate in March
| Square | Where | Share of visits | Class |
|---|---|---|---|
| D22 | Causeway Coast and Glens, Northern Ireland | 100% | Very high |
| H13 | Fermanagh and Omagh, Northern Ireland | 100% | Very high |
| H96 | Armagh City, Banbridge and Craigavon, Northern Ireland | 100% | Very high |
| HP51 | Shetland Islands, Scotland | 100% | Very high |
| HU16 | Sea, off Shetland Islands | 100% | Very high |
| HU24 | Shetland Islands, Scotland | 100% | Very high |
| HU27 | Shetland Islands, Scotland | 100% | Very high |
| HU36 | Shetland Islands, Scotland | 100% | Very high |
| HU39 | Shetland Islands, Scotland | 100% | Very high |
| HU46 | Shetland Islands, Scotland | 100% | Very high |