
Where to see SEWA
Acrocephalus schoenobaenus · Monthly patterns and locations based on open observation data.
- locations with data
- 64
- GBIF counts
- 134,630
- family
- Acrocephalidae
The strongest months in the historical data are April, May and June.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- Noordhollands DuinreservaatNoord-Holland5,998 GBIF counts
- OostvaardersplassenFlevoland10,815 GBIF counts
- LauwersmeerGroningen9,997 GBIF counts
- WaddenzeeFriesland7,553 GBIF counts
- Kennemerland-ZuidNoord-Holland6,305 GBIF counts
- Meijendel & BerkheideZuid-Holland5,615 GBIF counts
- Westerschelde & SaeftingheZeeland3,487 GBIF counts
- Eemmeer & Gooimeer ZuidoeverNoord-Holland2,062 GBIF counts
- BiesboschNoord-Brabant21,439 GBIF counts
- Oostelijke VechtplassenNoord-Holland8,905 GBIF counts
- IJsselmeerFriesland8,086 GBIF counts
- Drentsche Aa-gebiedDrenthe3,824 GBIF counts
- OosterscheldeZeeland3,511 GBIF counts
- GrevelingenZeeland3,162 GBIF counts
- RijntakkenGelderland3,142 GBIF counts
- ArkemheenGelderland3,005 GBIF counts
- Schoorlse DuinenNoord-Holland1,934 GBIF counts
- VeluwerandmerenFlevoland1,870 GBIF counts
- VoordeltaZeeland1,643 GBIF counts
- NoordzeekustzoneNoord-Holland7,799 GBIF counts
- De WiedenOverijssel850 GBIF counts
- Abtskolk & De PuttenNoord-Holland784 GBIF counts
- Vlakte van de RaanZeeland1,283 GBIF counts
- LeekstermeergebiedDrenthe1,279 GBIF counts
- Zwanenwater & PettemerduinenNoord-Holland1,080 GBIF counts
- Duinen AmelandFriesland999 GBIF counts
- Polder ZeevangNoord-Holland956 GBIF counts
- MarkiezaatNoord-Brabant497 GBIF counts
- ZuidlaardermeergebiedGroningen818 GBIF counts
- Voornes DuinZuid-Holland766 GBIF counts
- Krammer-VolkerakZuid-Holland429 GBIF counts
- Veerse MeerZeeland700 GBIF counts
- Zwarte MeerFlevoland686 GBIF counts
- Hollands DiepNoord-Brabant376 GBIF counts
- Ilperveld, Varkensland, Oostzanerveld & TwiskeNoord-Holland550 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant355 GBIF counts
- Duinen TerschellingFriesland285 GBIF counts
- NaardermeerNoord-Holland281 GBIF counts
- Ketelmeer & VossemeerOverijssel93 GBIF counts
- Duinen SchiermonnikoogFriesland133 GBIF counts
- Markermeer & IJmeerNoord-Holland99 GBIF counts
- Oudegaasterbrekken, Fluessen en omgevingFriesland98 GBIF counts
- Alde FeanenFriesland92 GBIF counts
- SneekermeergebiedFriesland97 GBIF counts
- LepelaarplassenFlevoland123 GBIF counts
- Duinen Goeree & Kwade HoekZuid-Holland64 GBIF counts
- Duinen Den Helder-CallantsoogNoord-Holland45 GBIF counts
- Rottige Meenthe & BrandemeerFriesland83 GBIF counts
- ZouweboezemUtrecht75 GBIF counts
- Boezems KinderdijkZuid-Holland101 GBIF counts
- Duinen en Lage Land TexelNoord-Holland27 GBIF counts
- FochteloërveenDrenthe45 GBIF counts
- Vlijmens Ven, Moerputten & Bossche BroekNoord-Brabant30 GBIF counts
- Kop van SchouwenZeeland17 GBIF counts
- Groote WielenFriesland28 GBIF counts
- ZoommeerZeeland24 GBIF counts
- Duinen VlielandFriesland21 GBIF counts
- VeluweGelderland12 GBIF counts
- Oudeland van StrijenZuid-Holland24 GBIF counts
- Solleveld & KapittelduinenZuid-Holland18 GBIF counts
- DeelenFriesland23 GBIF counts
- Polder WestzaanNoord-Holland15 GBIF counts
- BargerveenDrenthe5 GBIF counts
- EilandspolderNoord-Holland5 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.