COPO at Zwanenwater & Pettemerduinen
Aythya ferina · Noord-Holland
- counts at this location
- 763
- best month
- January
- period
- 1977-2026
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
- VeluwerandmerenFlevoland2,155,583 GBIF counts
- OostvaardersplassenFlevoland504,734 GBIF counts
- GrevelingenZeeland141,497 GBIF counts
- Kennemerland-ZuidNoord-Holland124,725 GBIF counts
- OosterscheldeZeeland119,978 GBIF counts
- IJsselmeerFriesland110,241 GBIF counts
- NoordzeekustzoneNoord-Holland71,436 GBIF counts
- BiesboschNoord-Brabant54,101 GBIF counts
- WaddenzeeFriesland42,243 GBIF counts
- Noordhollands DuinreservaatNoord-Holland35,393 GBIF counts
- LauwersmeerGroningen32,158 GBIF counts
- RijntakkenGelderland30,808 GBIF counts
Other birds at this location
- Black ShagPhalacrocorax carbo6,950 GBIF counts
- Domesticated GeeseAnser anser4,065 GBIF counts
- European Herring GullLarus argentatus2,992 GBIF counts
- Northern ShovelerSpatula clypeata2,903 GBIF counts
- Tufted DuckAythya fuligula1,277 GBIF counts
- MallardAnas platyrhynchos1,240 GBIF counts
- GRTIParus major680 GBIF counts
- Blue TitCyanistes caeruleus587 GBIF counts
- BlackbirdTurdus merula527 GBIF counts
- Crested GrebePodiceps cristatus511 GBIF counts
- Continental RobinErithacus rubecula629 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.