Big fish-duck at Ilperveld, Varkensland, Oostzanerveld & Twiske
Mergus merganser · Noord-Holland
- counts at this location
- 144
- best month
- January
- period
- 2007-2024
Only bird-location combinations reported in at least 3 calendar months and with at least 5 combined counts are included.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Other locations for this bird
- 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
Other birds at this location
- Domesticated GeeseAnser anser144,345 GBIF counts
- COSTSturnus vulgaris117,217 GBIF counts
- Black-headed GullChroicocephalus ridibundus35,372 GBIF counts
- GadwallMareca strepera24,000 GBIF counts
- MallardAnas platyrhynchos21,450 GBIF counts
- Green PloverVanellus vanellus17,670 GBIF counts
- Common JackdawColoeus monedula17,629 GBIF counts
- Barnacle GooseBranta leucopsis17,400 GBIF counts
- Mute SwanCygnus olor16,775 GBIF counts
- Eurasian WigeonMareca penelope14,630 GBIF counts
- Black CootFulica atra14,269 GBIF counts
- Egyptian GooseAlopochen aegyptiaca11,833 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.