Black Duck (Anas rubripes)Where and when to see it in the UK
Status not yet classified · reporting peaks February · Ducks, Swans, and Geese · 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.
Black Duck has been recorded in 9 of the 2,971 10 km squares covering UK land (0%) in records to 2026. Its strongest squares are in England, Scotland and Wales. Reporting peaks in February.
Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List- Very high
- 56% or more of visits
- High
- 12% to 56%
- Moderate
- 2% to 12%
- Low
- under 2%
- 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 | 14% | <1% | High |
| February | 100% | <1% | Very high |
| March | 7% | <1% | Moderate |
| April | 62% | <1% | Low |
| May | 27% | <1% | Moderate |
| June | 85% | <1% | Moderate |
| July | 13% | <1% | High |
| August | 17% | <1% | Moderate |
| September | 50% | <1% | High |
| October | 16% | <1% | High |
| November | 0% | <1% | Insufficient records |
| December | 0% | <1% | Very high |
Squares with the highest reporting rate in February
| Square | Where | Share of visits | Class |
|---|---|---|---|
| NM86 | Highland, Scotland | 56% | Very high |
| HP60 | Shetland Islands, Scotland | <1% | Insufficient records |
| NN17 | Highland, Scotland | <1% | Insufficient records |
| SH77 | Conwy, Wales | <1% | Surveyed, not recorded |
| SH87 | Conwy, Wales | <1% | Insufficient records |
| SS49 | Swansea, Wales | <1% | Insufficient records |
| SV81 | Isles of Scilly, England | <1% | Insufficient records |
| SV91 | Isles of Scilly, England | <1% | Surveyed, not recorded |
| SZ49 | Isle of Wight, England | <1% | Surveyed, not recorded |