EUMH at Polder Westzaan
Circus aeruginosus · Noord-Holland
- counts at this location
- 16
- best month
- June
- period
- 1990-2023
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
- BiesboschNoord-Brabant20,771 GBIF counts
- NoordzeekustzoneNoord-Holland16,215 GBIF counts
- WaddenzeeFriesland15,829 GBIF counts
- LauwersmeerGroningen12,264 GBIF counts
- OostvaardersplassenFlevoland10,447 GBIF counts
- GrevelingenZeeland10,101 GBIF counts
- OosterscheldeZeeland5,736 GBIF counts
- Westerschelde & SaeftingheZeeland5,319 GBIF counts
- Oostelijke VechtplassenNoord-Holland4,381 GBIF counts
- Duinen AmelandFriesland3,365 GBIF counts
- VoordeltaZeeland3,105 GBIF counts
- Drentsche Aa-gebiedDrenthe2,935 GBIF counts
Other birds at this location
- Domesticated GeeseAnser anser6,358 GBIF counts
- Black CootFulica atra1,112 GBIF counts
- MallardAnas platyrhynchos520 GBIF counts
- COSTSturnus vulgaris747 GBIF counts
- Black-headed GullChroicocephalus ridibundus438 GBIF counts
- BuzzardButeo buteo71 GBIF counts
- Common House SparrowPasser domesticus146 GBIF counts
- European Herring GullLarus argentatus236 GBIF counts
- Carrion CrowCorvus corone217 GBIF counts
- Green PloverVanellus vanellus190 GBIF counts
- Common Wood PigeonColumba palumbus139 GBIF counts
- Common JackdawColoeus monedula135 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.