HEHA at Zwanenwater & Pettemerduinen
Circus cyaneus · Noord-Holland
- counts at this location
- 17
- best month
- March
- period
- 1977-2025
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
- NoordzeekustzoneNoord-Holland4,979 GBIF counts
- VeluweGelderland3,145 GBIF counts
- WaddenzeeFriesland2,212 GBIF counts
- BiesboschNoord-Brabant2,086 GBIF counts
- OosterscheldeZeeland1,710 GBIF counts
- VoordeltaZeeland1,334 GBIF counts
- GrevelingenZeeland1,295 GBIF counts
- OostvaardersplassenFlevoland1,215 GBIF counts
- LauwersmeerGroningen705 GBIF counts
- Oostelijke VechtplassenNoord-Holland570 GBIF counts
- Westerschelde & SaeftingheZeeland474 GBIF counts
- Duinen SchiermonnikoogFriesland284 GBIF counts
Other birds at this location
- COSTSturnus vulgaris103,224 GBIF counts
- Black ShagPhalacrocorax carbo6,932 GBIF counts
- Domesticated GeeseAnser anser3,997 GBIF counts
- Northern ShovelerSpatula clypeata2,840 GBIF counts
- Eurasian OystercatcherHaematopus ostralegus1,604 GBIF counts
- European Herring GullLarus argentatus1,553 GBIF counts
- Tufted DuckAythya fuligula1,263 GBIF counts
- MallardAnas platyrhynchos1,230 GBIF counts
- Black-headed GullChroicocephalus ridibundus1,153 GBIF counts
- ChiffchaffPhylloscopus collybita776 GBIF counts
- COPOAythya ferina756 GBIF counts
- Black CootFulica atra692 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.