
Billy at Krammer-Volkerak
Prunella modularis · Zuid-Holland
- counts at this location
- 529
- best month
- April
- period
- 2004-2026
Only bird-location combinations reported in at least 3 calendar months and with at least 5 combined counts are included.
Monthly pattern
Monthly totals
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Other locations for this bird
- 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
Other birds at this location
- Barnacle GooseBranta leucopsis411,634 GBIF counts
- Black CootFulica atra179,977 GBIF counts
- Mute SwanCygnus olor149,020 GBIF counts
- Domesticated GeeseAnser anser143,676 GBIF counts
- GadwallMareca strepera123,004 GBIF counts
- COSTSturnus vulgaris120,275 GBIF counts
- Tufted DuckAythya fuligula113,083 GBIF counts
- COSHTadorna tadorna63,745 GBIF counts
- Black-headed GullChroicocephalus ridibundus59,997 GBIF counts
- Black ShagPhalacrocorax carbo47,538 GBIF counts
- Green PloverVanellus vanellus42,986 GBIF counts
- MallardAnas platyrhynchos32,143 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.