COPO at Krammer-Volkerak
Aythya ferina · Zuid-Holland
- counts at this location
- 4,011
- best month
- January
- period
- 1985-2026
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
- Barnacle GooseBranta leucopsis411,634 GBIF counts
- Black CootFulica atra179,977 GBIF counts
- Mute SwanCygnus olor149,020 GBIF counts
- Domesticated GeeseAnser anser143,676 GBIF counts
- GadwallMareca strepera123,004 GBIF counts
- COSTSturnus vulgaris120,275 GBIF counts
- Tufted DuckAythya fuligula113,083 GBIF counts
- COSHTadorna tadorna63,745 GBIF counts
- Black-headed GullChroicocephalus ridibundus59,997 GBIF counts
- Black ShagPhalacrocorax carbo47,538 GBIF counts
- Green PloverVanellus vanellus42,986 GBIF counts
- MallardAnas platyrhynchos32,143 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.