Where to see BASW
Hirundo rustica · Monthly patterns and locations based on open observation data.
- locations with data
- 107
- GBIF counts
- 541,429
- family
- Hirundinidae
The strongest months in the historical data are August, September and May.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- BiesboschNoord-Brabant55,739 GBIF counts
- OostvaardersplassenFlevoland44,322 GBIF counts
- WaddenzeeFriesland34,659 GBIF counts
- VeluweGelderland33,522 GBIF counts
- RijntakkenGelderland25,843 GBIF counts
- Meijendel & BerkheideZuid-Holland25,661 GBIF counts
- IJsselmeerFriesland16,244 GBIF counts
- Kennemerland-ZuidNoord-Holland14,020 GBIF counts
- Drentsche Aa-gebiedDrenthe12,093 GBIF counts
- Oostelijke VechtplassenNoord-Holland12,062 GBIF counts
- Westerschelde & SaeftingheZeeland11,799 GBIF counts
- OosterscheldeZeeland10,994 GBIF counts
- Noordhollands DuinreservaatNoord-Holland9,550 GBIF counts
- Vlakte van de RaanZeeland9,281 GBIF counts
- VoordeltaZeeland5,756 GBIF counts
- Duinen SchiermonnikoogFriesland4,649 GBIF counts
- Hollands DiepNoord-Brabant3,689 GBIF counts
- VeluwerandmerenFlevoland2,912 GBIF counts
- GrevelingenZeeland2,766 GBIF counts
- Groote PeelNoord-Brabant47,780 GBIF counts
- LauwersmeerGroningen26,909 GBIF counts
- ArkemheenGelderland14,779 GBIF counts
- DwingelderveldDrenthe8,043 GBIF counts
- Polder ZeevangNoord-Holland5,254 GBIF counts
- Krammer-VolkerakZuid-Holland4,394 GBIF counts
- ZuidlaardermeergebiedGroningen4,020 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant3,212 GBIF counts
- Strabrechtse Heide & BeuvenNoord-Brabant2,940 GBIF counts
- Schoorlse DuinenNoord-Holland2,786 GBIF counts
- NoordzeekustzoneNoord-Holland21,825 GBIF counts
- De WiedenOverijssel1,359 GBIF counts
- NaardermeerNoord-Holland1,330 GBIF counts
- Kampina & Oisterwijkse VennenNoord-Brabant1,297 GBIF counts
- Veerse MeerZeeland1,293 GBIF counts
- Leenderbos, Groote Heide & De PlateauxNoord-Brabant4,224 GBIF counts
- FochteloërveenDrenthe3,718 GBIF counts
- Zwarte MeerFlevoland2,410 GBIF counts
- MeinwegLimburg2,298 GBIF counts
- Duinen AmelandFriesland2,185 GBIF counts
- Duinen Den Helder-CallantsoogNoord-Holland1,981 GBIF counts
- MarkiezaatNoord-Brabant966 GBIF counts
- Duinen en Lage Land TexelNoord-Holland929 GBIF counts
- Eemmeer & Gooimeer ZuidoeverNoord-Holland6,389 GBIF counts
- LeudalLimburg1,162 GBIF counts
- Abtskolk & De PuttenNoord-Holland1,153 GBIF counts
- HoltingerveldDrenthe2,661 GBIF counts
- Vecht- en Beneden-ReggegebiedOverijssel1,993 GBIF counts
- Boezems KinderdijkZuid-Holland8,181 GBIF counts
- Duinen TerschellingFriesland757 GBIF counts
- MaasduinenLimburg390 GBIF counts
- Solleveld & KapittelduinenZuid-Holland389 GBIF counts
- Westduinpark & WapendalZuid-Holland3,231 GBIF counts
- Ilperveld, Varkensland, Oostzanerveld & TwiskeNoord-Holland849 GBIF counts
- Kempenland-WestNoord-Brabant482 GBIF counts
- Ketelmeer & VossemeerOverijssel470 GBIF counts
- BoschhuizerbergenLimburg438 GBIF counts
- LepelaarplassenFlevoland813 GBIF counts
- Voornes DuinZuid-Holland636 GBIF counts
- Alde FeanenFriesland382 GBIF counts
- Sallandse HeuvelrugOverijssel379 GBIF counts
- LeekstermeergebiedDrenthe1,146 GBIF counts
- AamsveenOverijssel654 GBIF counts
- Buurserzand & HaaksbergerveenOverijssel310 GBIF counts
- Vlijmens Ven, Moerputten & Bossche BroekNoord-Brabant294 GBIF counts
- Landgoederen BrummenGelderland715 GBIF counts
- Kop van SchouwenZeeland350 GBIF counts
- Duinen VlielandFriesland302 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland199 GBIF counts
- Zwanenwater & PettemerduinenNoord-Holland313 GBIF counts
- Rottige Meenthe & BrandemeerFriesland181 GBIF counts
- Markermeer & IJmeerNoord-Holland339 GBIF counts
- Deurnsche Peel & MariapeelNoord-Brabant280 GBIF counts
- WitterveldDrenthe100 GBIF counts
- Sarsven en De BanenLimburg121 GBIF counts
- Oudegaasterbrekken, Fluessen en omgevingFriesland196 GBIF counts
- SneekermeergebiedFriesland299 GBIF counts
- Donkse LaagtenZuid-Holland294 GBIF counts
- Manteling van WalcherenZeeland354 GBIF counts
- BargerveenDrenthe251 GBIF counts
- RoerdalLimburg111 GBIF counts
- ZoommeerZeeland174 GBIF counts
- Yerseke en Kapelse MoerZeeland224 GBIF counts
- CoepelduynenZuid-Holland82 GBIF counts
- Springendal & Dal van de MosbeekOverijssel94 GBIF counts
- Regte Heide & Riels LaagNoord-Brabant112 GBIF counts
- ZouweboezemUtrecht49 GBIF counts
- Brabantse WalNoord-Brabant113 GBIF counts
- Groote WielenFriesland41 GBIF counts
- GrensmaasLimburg104 GBIF counts
- Polder WestzaanNoord-Holland92 GBIF counts
- Oudeland van StrijenZuid-Holland123 GBIF counts
- De BruukGelderland74 GBIF counts
- BrunssummerheideLimburg19 GBIF counts
- KorenburgerveenGelderland93 GBIF counts
- Wierdense VeldOverijssel23 GBIF counts
- SavelsbosLimburg22 GBIF counts
- Zwin & KievittepolderZeeland28 GBIF counts
- DinkellandOverijssel29 GBIF counts
- De WilckZuid-Holland55 GBIF counts
- Loevestein, Pompveld & Kornsche BoezemGelderland35 GBIF counts
- MantingerzandDrenthe69 GBIF counts
- Bakkeveense DuinenFriesland44 GBIF counts
- Sint JansbergLimburg21 GBIF counts
- Oude MaasZuid-Holland22 GBIF counts
- Drents-Friese Wold & LeggelderveldFriesland49 GBIF counts
- DeelenFriesland19 GBIF counts
- Wooldse VeenGelderland10 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.