Where to see Big fish-duck
Mergus merganser · Monthly patterns and locations based on open observation data.
- locations with data
- 62
- GBIF counts
- 243,534
- family
- Anatidae
The strongest months in the historical data are January, December and February.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- IJsselmeerFriesland49,794 GBIF counts
- BiesboschNoord-Brabant39,300 GBIF counts
- Kennemerland-ZuidNoord-Holland24,982 GBIF counts
- ArkemheenGelderland20,955 GBIF counts
- OostvaardersplassenFlevoland17,588 GBIF counts
- RijntakkenGelderland15,985 GBIF counts
- Noordhollands DuinreservaatNoord-Holland11,898 GBIF counts
- LauwersmeerGroningen9,314 GBIF counts
- Ketelmeer & VossemeerOverijssel7,135 GBIF counts
- Krammer-VolkerakZuid-Holland5,850 GBIF counts
- NoordzeekustzoneNoord-Holland5,323 GBIF counts
- GrevelingenZeeland4,509 GBIF counts
- VeluweGelderland3,789 GBIF counts
- OosterscheldeZeeland3,468 GBIF counts
- WaddenzeeFriesland1,511 GBIF counts
- De WiedenOverijssel244 GBIF counts
- VeluwerandmerenFlevoland2,340 GBIF counts
- Drentsche Aa-gebiedDrenthe4,395 GBIF counts
- Westerschelde & SaeftingheZeeland2,088 GBIF counts
- DwingelderveldDrenthe1,431 GBIF counts
- Meijendel & BerkheideZuid-Holland750 GBIF counts
- Oostelijke VechtplassenNoord-Holland1,213 GBIF counts
- Markermeer & IJmeerNoord-Holland1,209 GBIF counts
- NaardermeerNoord-Holland687 GBIF counts
- Hollands DiepNoord-Brabant2,916 GBIF counts
- BoschhuizerbergenLimburg377 GBIF counts
- VoordeltaZeeland294 GBIF counts
- Zwarte MeerFlevoland332 GBIF counts
- LepelaarplassenFlevoland409 GBIF counts
- Strabrechtse Heide & BeuvenNoord-Brabant338 GBIF counts
- Polder ZeevangNoord-Holland194 GBIF counts
- MarkiezaatNoord-Brabant319 GBIF counts
- Zwanenwater & PettemerduinenNoord-Holland180 GBIF counts
- SneekermeergebiedFriesland350 GBIF counts
- Vecht- en Beneden-ReggegebiedOverijssel272 GBIF counts
- LeudalLimburg152 GBIF counts
- Groote PeelNoord-Brabant276 GBIF counts
- Voornes DuinZuid-Holland96 GBIF counts
- Solleveld & KapittelduinenZuid-Holland114 GBIF counts
- Vlakte van de RaanZeeland68 GBIF counts
- Ilperveld, Varkensland, Oostzanerveld & TwiskeNoord-Holland144 GBIF counts
- Duinen Den Helder-CallantsoogNoord-Holland107 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland37 GBIF counts
- ZoommeerZeeland82 GBIF counts
- LeekstermeergebiedDrenthe76 GBIF counts
- Schoorlse DuinenNoord-Holland50 GBIF counts
- Sallandse HeuvelrugOverijssel124 GBIF counts
- Duinen AmelandFriesland33 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant48 GBIF counts
- Duinen SchiermonnikoogFriesland17 GBIF counts
- Abtskolk & De PuttenNoord-Holland28 GBIF counts
- Leenderbos, Groote Heide & De PlateauxNoord-Brabant25 GBIF counts
- ZuidlaardermeergebiedGroningen30 GBIF counts
- MaasduinenLimburg14 GBIF counts
- Oudegaasterbrekken, Fluessen en omgevingFriesland26 GBIF counts
- Duinen TerschellingFriesland13 GBIF counts
- Rottige Meenthe & BrandemeerFriesland15 GBIF counts
- Kempenland-WestNoord-Brabant18 GBIF counts
- Alde FeanenFriesland13 GBIF counts
- Duinen en Lage Land TexelNoord-Holland8 GBIF counts
- Uiterwaarden Zwarte Water en VechtOverijssel13 GBIF counts
- Oudeland van StrijenZuid-Holland11 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 July 2026.