When it is recorded
Jan9,668
Feb6,660
Mar6,303
Apr5,395
May4,661
Jun3,144
Jul1,814
Aug1,394
Sep2,765
Oct5,527
Nov5,992
Dec6,176
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Highland | Scotland | 5,049 | |
| 2 | Cambridgeshire | England | 3,289 | |
| 3 | East Lothian | Scotland | 2,646 | |
| 4 | Shetland Islands | — | 2,379 | |
| 5 | Argyll and Bute | Scotland | 2,157 | |
| 6 | Dorset | England | 1,735 | |
| 7 | Fife | Scotland | 1,554 | |
| 8 | Na h-Eileanan Siar | Scotland | 1,394 | |
| 9 | Orkney Islands | Scotland | 1,335 | |
| 10 | Norfolk | England | 1,280 | |
| 11 | Cumbria | England | 1,240 | |
| 12 | Kent | England | 1,161 | |
| 13 | Conwy | Wales | 1,047 | |
| 14 | South Ayrshire | Scotland | 980 | |
| 15 | Portsmouth | England | 875 |
29,213 England26,382 Scotland3,342 Wales856 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 114 counties in all.
About this species
- Records since 2000
- 59,855
- Peak month
- January
- Counties with records
- 114
- IUCN Red List
- Least Concern
- Scientific name
- Mergus serrator
- Group
- Birds
- NBN Atlas records since 2000
- 39,358
- Most recorded in
- Highland, Cambridgeshire, East Lothian, Shetland Islands, Argyll and Bute, Dorset, Fife, Na h-Eileanan Siar, Orkney Islands, Norfolk, Cumbria, Kent +40
- Conservation designations
- Birds Directive, Convention on Migratory Species, Birds of Conservation Concern, GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Anseriformes
- Family
- Anatidae
- Genus
- Mergus
- Name with authority
- Mergus serrator Linnaeus, 1758
- Described
- 1758
- Contributing datasets
- 28
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q189609 · GBIF 2498375