
Where to see Billy
Prunella modularis · Monthly patterns and locations based on open observation data.
- locations with data
- 31
- GBIF counts
- 128,690
- family
- Prunellidae
The strongest months in the historical data are October, April and September.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Locations with sufficient data
- Kennemerland-ZuidNoord-Holland15,614 GBIF counts
- WaddenzeeFriesland12,577 GBIF counts
- NoordzeekustzoneNoord-Holland11,439 GBIF counts
- Meijendel & BerkheideZuid-Holland10,158 GBIF counts
- VoordeltaZeeland9,841 GBIF counts
- Noordhollands DuinreservaatNoord-Holland7,637 GBIF counts
- VeluweGelderland7,379 GBIF counts
- Westerschelde & SaeftingheZeeland5,173 GBIF counts
- RijntakkenGelderland5,029 GBIF counts
- Groote PeelNoord-Brabant4,817 GBIF counts
- GrevelingenZeeland4,284 GBIF counts
- Schoorlse DuinenNoord-Holland3,366 GBIF counts
- BiesboschNoord-Brabant3,222 GBIF counts
- Vlakte van de RaanZeeland2,318 GBIF counts
- OosterscheldeZeeland2,236 GBIF counts
- OostvaardersplassenFlevoland2,168 GBIF counts
- Solleveld & KapittelduinenZuid-Holland2,153 GBIF counts
- Voornes DuinZuid-Holland1,495 GBIF counts
- IJsselmeerFriesland1,169 GBIF counts
- Ilperveld, Varkensland, Oostzanerveld & TwiskeNoord-Holland1,125 GBIF counts
- Duinen AmelandFriesland1,109 GBIF counts
- LauwersmeerGroningen1,034 GBIF counts
- Oostelijke VechtplassenNoord-Holland953 GBIF counts
- ArkemheenGelderland911 GBIF counts
- Kampina & Oisterwijkse VennenNoord-Brabant764 GBIF counts
- Drentsche Aa-gebiedDrenthe679 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant592 GBIF counts
- Abtskolk & De PuttenNoord-Holland577 GBIF counts
- Krammer-VolkerakZuid-Holland529 GBIF counts
- VeluwerandmerenFlevoland507 GBIF counts
- Eemmeer & Gooimeer ZuidoeverNoord-Holland644 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 October 2026.