Ross's Goose (Anser rossii)Where and when to see it in the UK
Winter visitor · reporting peaks November to February · Ducks, Swans, and Geese · BOU category AE*

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.
Ross's Goose has been recorded in 77 of the 2,971 10 km squares covering UK land (3%) in records to 2026. Winter visitor in the UK. Its strongest squares are in England, Scotland and Wales. Reporting peaks in November to February.
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 | 98% | <1% | Low |
| February | 100% | <1% | Moderate |
| March | 46% | <1% | Very high |
| April | 8% | <1% | Very high |
| May | 8% | <1% | Moderate |
| June | 7% | <1% | Moderate |
| July | 9% | <1% | Very high |
| August | 29% | <1% | Low |
| September | 57% | <1% | Very high |
| October | 66% | <1% | Very high |
| November | 85% | <1% | High |
| December | 98% | <1% | Moderate |
Squares with the highest reporting rate in January
| Square | Where | Share of visits | Class |
|---|---|---|---|
| SD32 | Lancashire, England | 100% | Very high |
| TF93 | Norfolk, England | 100% | Very high |
| TG42 | Norfolk, England | 100% | Very high |
| TM49 | Norfolk, England | 100% | Very high |
| TQ58 | Havering, England | 100% | Very high |
| SO70 | Gloucestershire, England | 21% | High |
| NS57 | East Dunbartonshire, Scotland | 5% | High |
| SP41 | Oxfordshire, England | 2% | Moderate |
| ST58 | South Gloucestershire, England | <1% | Moderate |
| SD31 | Lancashire, England | <1% | Moderate |