Where to see WWBT
Chlidonias leucopterus · Monthly patterns and locations based on open observation data.
- locations with data
- 14
- GBIF counts
- 9,668
- family
- Laridae
The strongest months in the historical data are May, June and July.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- OostvaardersplassenFlevoland1,020 GBIF counts
- LauwersmeerGroningen1,455 GBIF counts
- Drentsche Aa-gebiedDrenthe5,149 GBIF counts
- BiesboschNoord-Brabant647 GBIF counts
- WaddenzeeFriesland200 GBIF counts
- IJsselmeerFriesland144 GBIF counts
- NoordzeekustzoneNoord-Holland120 GBIF counts
- GrevelingenZeeland70 GBIF counts
- Oostelijke VechtplassenNoord-Holland39 GBIF counts
- OosterscheldeZeeland138 GBIF counts
- Krammer-VolkerakZuid-Holland25 GBIF counts
- ZuidlaardermeergebiedGroningen79 GBIF counts
- VoordeltaZeeland24 GBIF counts
- RijntakkenGelderland46 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.