
Where to see BASW
Riparia riparia · Monthly patterns and locations based on open observation data.
- locations with data
- 70
- GBIF counts
- 252,170
- family
- Hirundinidae
The strongest months in the historical data are April, May and August.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- OostvaardersplassenFlevoland22,645 GBIF counts
- BiesboschNoord-Brabant78,970 GBIF counts
- Kennemerland-ZuidNoord-Holland17,353 GBIF counts
- WaddenzeeFriesland13,080 GBIF counts
- LauwersmeerGroningen12,139 GBIF counts
- Meijendel & BerkheideZuid-Holland4,702 GBIF counts
- Krammer-VolkerakZuid-Holland2,000 GBIF counts
- Hollands DiepNoord-Brabant15,208 GBIF counts
- RijntakkenGelderland10,138 GBIF counts
- VoordeltaZeeland7,706 GBIF counts
- ArkemheenGelderland6,887 GBIF counts
- OosterscheldeZeeland5,898 GBIF counts
- Oostelijke VechtplassenNoord-Holland4,146 GBIF counts
- Westerschelde & SaeftingheZeeland3,560 GBIF counts
- VeluwerandmerenFlevoland3,308 GBIF counts
- Duinen AmelandFriesland2,699 GBIF counts
- NaardermeerNoord-Holland2,101 GBIF counts
- IJsselmeerFriesland1,829 GBIF counts
- DwingelderveldDrenthe1,826 GBIF counts
- Noordhollands DuinreservaatNoord-Holland950 GBIF counts
- NoordzeekustzoneNoord-Holland12,708 GBIF counts
- MarkiezaatNoord-Brabant1,161 GBIF counts
- Duinen SchiermonnikoogFriesland1,099 GBIF counts
- Drentsche Aa-gebiedDrenthe6,589 GBIF counts
- Groote PeelNoord-Brabant750 GBIF counts
- GrevelingenZeeland719 GBIF counts
- Vlakte van de RaanZeeland538 GBIF counts
- VeluweGelderland1,330 GBIF counts
- Duinen TerschellingFriesland616 GBIF counts
- Vecht- en Beneden-ReggegebiedOverijssel808 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland279 GBIF counts
- ZuidlaardermeergebiedGroningen660 GBIF counts
- LeudalLimburg289 GBIF counts
- De WiedenOverijssel419 GBIF counts
- Schoorlse DuinenNoord-Holland416 GBIF counts
- MaasduinenLimburg227 GBIF counts
- RoerdalLimburg418 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant569 GBIF counts
- Duinen Den Helder-CallantsoogNoord-Holland185 GBIF counts
- Boezems KinderdijkZuid-Holland389 GBIF counts
- Ketelmeer & VossemeerOverijssel329 GBIF counts
- LeekstermeergebiedDrenthe491 GBIF counts
- LepelaarplassenFlevoland249 GBIF counts
- ZouweboezemUtrecht169 GBIF counts
- Duinen en Lage Land TexelNoord-Holland168 GBIF counts
- Abtskolk & De PuttenNoord-Holland123 GBIF counts
- Strabrechtse Heide & BeuvenNoord-Brabant201 GBIF counts
- Loevestein, Pompveld & Kornsche BoezemGelderland206 GBIF counts
- Eemmeer & Gooimeer ZuidoeverNoord-Holland282 GBIF counts
- Alde FeanenFriesland95 GBIF counts
- Polder ZeevangNoord-Holland24 GBIF counts
- MeinwegLimburg161 GBIF counts
- Westduinpark & WapendalZuid-Holland316 GBIF counts
- Deurnsche Peel & MariapeelNoord-Brabant483 GBIF counts
- ZoommeerZeeland126 GBIF counts
- Veerse MeerZeeland59 GBIF counts
- Leenderbos, Groote Heide & De PlateauxNoord-Brabant153 GBIF counts
- BargerveenDrenthe56 GBIF counts
- FochteloërveenDrenthe77 GBIF counts
- Zwanenwater & PettemerduinenNoord-Holland23 GBIF counts
- Duinen VlielandFriesland18 GBIF counts
- Voornes DuinZuid-Holland41 GBIF counts
- Kampina & Oisterwijkse VennenNoord-Brabant12 GBIF counts
- Buurserzand & HaaksbergerveenOverijssel9 GBIF counts
- Sarsven en De BanenLimburg15 GBIF counts
- Kempenland-WestNoord-Brabant78 GBIF counts
- Vlijmens Ven, Moerputten & Bossche BroekNoord-Brabant63 GBIF counts
- CoepelduynenZuid-Holland11 GBIF counts
- Sallandse HeuvelrugOverijssel67 GBIF counts
- Kop van SchouwenZeeland15 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.