When it is recorded
Jan18
Feb16
Mar42
Apr61
May44
Jun52
Jul61
Aug51
Sep42
Oct41
Nov19
Dec44
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Surrey | England | 34 | |
| 2 | Cambridgeshire | England | 22 | |
| 3 | City of Edinburgh | Scotland | 18 | |
| 4 | East Riding of Yorkshire | England | 15 | |
| 5 | Norfolk | England | 13 | |
| 6 | Herefordshire, County of | England | 11 | |
| 7 | Fermanagh and Omagh | Northern Ireland | 10 | |
| 8 | Essex | England | 9 | |
| 9 | Worcestershire | England | 8 | |
| 10 | Isle of Anglesey | Wales | 8 | |
| 11 | Doncaster | England | 7 | |
| 12 | Rotherham | England | 7 | |
| 13 | York | England | 7 | |
| 14 | Cornwall | England | 6 | |
| 15 | Lincolnshire | England | 6 |
431 England27 Scotland28 Wales12 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 57 counties in all.
About this species
- Records since 2000
- 499
- Peak month
- April
- Counties with records
- 57
- IUCN Red List
- Least Concern
- Scientific name
- Anodonta cygnea
- Group
- Molluscs
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Bivalvia
- Order
- Unionida
- Family
- Unionidae
- Genus
- Anodonta
- Name with authority
- Anodonta cygnea (Linnaeus, 1758)
- Described
- 1758
- Contributing datasets
- 15
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q777865 · GBIF 4374774