Where to see Caspian Tern
Hydroprogne caspia · Monthly patterns and locations based on open observation data.
- locations with data
- 31
- GBIF counts
- 47,404
- family
- Laridae
The strongest months in the historical data are August, September and July.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- IJsselmeerFriesland15,555 GBIF counts
- LauwersmeerGroningen25,229 GBIF counts
- GrevelingenZeeland2,364 GBIF counts
- Drentsche Aa-gebiedDrenthe864 GBIF counts
- BiesboschNoord-Brabant636 GBIF counts
- OostvaardersplassenFlevoland406 GBIF counts
- Krammer-VolkerakZuid-Holland393 GBIF counts
- WaddenzeeFriesland140 GBIF counts
- Oostelijke VechtplassenNoord-Holland112 GBIF counts
- Ketelmeer & VossemeerOverijssel258 GBIF counts
- Solleveld & KapittelduinenZuid-Holland55 GBIF counts
- OosterscheldeZeeland47 GBIF counts
- NoordzeekustzoneNoord-Holland130 GBIF counts
- ArkemheenGelderland57 GBIF counts
- ZuidlaardermeergebiedGroningen104 GBIF counts
- VoordeltaZeeland240 GBIF counts
- Kennemerland-ZuidNoord-Holland51 GBIF counts
- Meijendel & BerkheideZuid-Holland130 GBIF counts
- RijntakkenGelderland65 GBIF counts
- Hollands DiepNoord-Brabant17 GBIF counts
- VeluweGelderland72 GBIF counts
- VeluwerandmerenFlevoland160 GBIF counts
- NaardermeerNoord-Holland34 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland34 GBIF counts
- Alde FeanenFriesland34 GBIF counts
- Westerschelde & SaeftingheZeeland13 GBIF counts
- MarkiezaatNoord-Brabant26 GBIF counts
- SneekermeergebiedFriesland21 GBIF counts
- LeekstermeergebiedDrenthe5 GBIF counts
- LeudalLimburg12 GBIF counts
- ZouweboezemUtrecht8 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.