Common Tern at Polder Westzaan
Sterna hirundo · Noord-Holland
- counts at this location
- 26
- best month
- August
- 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
- NoordzeekustzoneNoord-Holland189,307 GBIF counts
- OosterscheldeZeeland135,560 GBIF counts
- GrevelingenZeeland108,020 GBIF counts
- WaddenzeeFriesland102,937 GBIF counts
- IJsselmeerFriesland89,913 GBIF counts
- Westerschelde & SaeftingheZeeland38,156 GBIF counts
- VoordeltaZeeland37,522 GBIF counts
- Abtskolk & De PuttenNoord-Holland11,916 GBIF counts
- Meijendel & BerkheideZuid-Holland8,668 GBIF counts
- Vlakte van de RaanZeeland8,664 GBIF counts
- BiesboschNoord-Brabant61,914 GBIF counts
- LauwersmeerGroningen37,347 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.