Where to see COSH
Tadorna tadorna · Monthly patterns and locations based on open observation data.
- locations with data
- 37
- GBIF counts
- 3,260,746
- family
- Anatidae
The strongest months in the historical data are October, September and January.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- WaddenzeeFriesland1,595,941 GBIF counts
- BiesboschNoord-Brabant278,065 GBIF counts
- OosterscheldeZeeland234,682 GBIF counts
- LauwersmeerGroningen205,817 GBIF counts
- GrevelingenZeeland174,512 GBIF counts
- Westerschelde & SaeftingheZeeland144,581 GBIF counts
- VoordeltaZeeland95,151 GBIF counts
- NoordzeekustzoneNoord-Holland88,816 GBIF counts
- OostvaardersplassenFlevoland85,288 GBIF counts
- Krammer-VolkerakZuid-Holland63,745 GBIF counts
- IJsselmeerFriesland56,028 GBIF counts
- Duinen AmelandFriesland25,134 GBIF counts
- ArkemheenGelderland23,034 GBIF counts
- Polder ZeevangNoord-Holland21,951 GBIF counts
- Hollands DiepNoord-Brabant18,494 GBIF counts
- Vlakte van de RaanZeeland18,249 GBIF counts
- RijntakkenGelderland17,189 GBIF counts
- Oostelijke VechtplassenNoord-Holland15,164 GBIF counts
- Meijendel & BerkheideZuid-Holland10,352 GBIF counts
- Voornes DuinZuid-Holland8,744 GBIF counts
- VeluwerandmerenFlevoland8,738 GBIF counts
- Abtskolk & De PuttenNoord-Holland6,592 GBIF counts
- Duinen Den Helder-CallantsoogNoord-Holland6,145 GBIF counts
- Kennemerland-ZuidNoord-Holland5,557 GBIF counts
- MarkiezaatNoord-Brabant5,080 GBIF counts
- Veerse MeerZeeland4,747 GBIF counts
- Duinen VlielandFriesland4,134 GBIF counts
- Duinen en Lage Land TexelNoord-Holland3,897 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland3,489 GBIF counts
- Duinen SchiermonnikoogFriesland3,070 GBIF counts
- Schoorlse DuinenNoord-Holland2,730 GBIF counts
- VeluweGelderland2,672 GBIF counts
- Drentsche Aa-gebiedDrenthe1,507 GBIF counts
- Noordhollands DuinreservaatNoord-Holland1,356 GBIF counts
- Duinen TerschellingFriesland1,130 GBIF counts
- Leenderbos, Groote Heide & De PlateauxNoord-Brabant744 GBIF counts
- Yerseke en Kapelse MoerZeeland643 GBIF counts
Data source
Counts are aggregated from open observation data supplied through GBIF. They indicate historical reporting patterns, not guaranteed current presence. Last processed: 28 October 2026.