
COPO at Markermeer & IJmeer
Aythya ferina · Noord-Holland
- counts at this location
- 128,221
- best month
- December
- period
- 2008-2026
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
- VeluwerandmerenFlevoland2,153,581 GBIF counts
- OostvaardersplassenFlevoland504,348 GBIF counts
- GrevelingenZeeland141,418 GBIF counts
- Kennemerland-ZuidNoord-Holland123,104 GBIF counts
- OosterscheldeZeeland120,321 GBIF counts
- IJsselmeerFriesland108,893 GBIF counts
- NoordzeekustzoneNoord-Holland70,688 GBIF counts
- BiesboschNoord-Brabant53,763 GBIF counts
- WaddenzeeFriesland42,040 GBIF counts
- Noordhollands DuinreservaatNoord-Holland34,997 GBIF counts
- LauwersmeerGroningen32,630 GBIF counts
Other birds at this location
- Black CootFulica atra302,937 GBIF counts
- Tufted DuckAythya fuligula103,569 GBIF counts
- Eurasian WigeonMareca penelope84,380 GBIF counts
- Barnacle GooseBranta leucopsis39,393 GBIF counts
- Domesticated GeeseAnser anser31,121 GBIF counts
- Greater White-fronted GooseAnser albifrons23,710 GBIF counts
- Green PloverVanellus vanellus23,541 GBIF counts
- Mute SwanCygnus olor14,798 GBIF counts
- COSTSturnus vulgaris9,644 GBIF counts
- Black-headed GullChroicocephalus ridibundus6,146 GBIF counts
- GadwallMareca strepera4,912 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.