
Where to see Billy
Prunella modularis · Monthly patterns and locations based on open observation data.
- locations with data
- 31
- GBIF counts
- 126,458
- 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-Holland15,318 GBIF counts
- WaddenzeeFriesland12,251 GBIF counts
- NoordzeekustzoneNoord-Holland11,130 GBIF counts
- Meijendel & BerkheideZuid-Holland10,059 GBIF counts
- VoordeltaZeeland9,689 GBIF counts
- Noordhollands DuinreservaatNoord-Holland7,597 GBIF counts
- VeluweGelderland7,224 GBIF counts
- Westerschelde & SaeftingheZeeland5,129 GBIF counts
- RijntakkenGelderland4,994 GBIF counts
- Groote PeelNoord-Brabant4,816 GBIF counts
- GrevelingenZeeland4,200 GBIF counts
- Schoorlse DuinenNoord-Holland3,302 GBIF counts
- BiesboschNoord-Brabant3,206 GBIF counts
- Vlakte van de RaanZeeland2,294 GBIF counts
- OosterscheldeZeeland2,183 GBIF counts
- OostvaardersplassenFlevoland2,148 GBIF counts
- Solleveld & KapittelduinenZuid-Holland1,918 GBIF counts
- Voornes DuinZuid-Holland1,487 GBIF counts
- IJsselmeerFriesland1,153 GBIF counts
- Ilperveld, Varkensland, Oostzanerveld & TwiskeNoord-Holland1,119 GBIF counts
- Duinen AmelandFriesland1,054 GBIF counts
- LauwersmeerGroningen1,019 GBIF counts
- Oostelijke VechtplassenNoord-Holland915 GBIF counts
- ArkemheenGelderland896 GBIF counts
- Kampina & Oisterwijkse VennenNoord-Brabant758 GBIF counts
- Drentsche Aa-gebiedDrenthe646 GBIF counts
- Loonse en Drunense Duinen & LeemkuilenNoord-Brabant585 GBIF counts
- Abtskolk & De PuttenNoord-Holland569 GBIF counts
- Krammer-VolkerakZuid-Holland525 GBIF counts
- VeluwerandmerenFlevoland500 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 July 2026.