Willow Warbler at Groote Wielen
Phylloscopus trochilus · Friesland
- counts at this location
- 18
- best month
- May
- period
- 2013-2024
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
- Noordhollands DuinreservaatNoord-Holland20,090 GBIF counts
- WaddenzeeFriesland13,235 GBIF counts
- Meijendel & BerkheideZuid-Holland10,276 GBIF counts
- BiesboschNoord-Brabant9,272 GBIF counts
- VoordeltaZeeland4,074 GBIF counts
- GrevelingenZeeland1,837 GBIF counts
- Westerschelde & SaeftingheZeeland1,742 GBIF counts
- IJsselmeerFriesland1,626 GBIF counts
- Duinen AmelandFriesland1,469 GBIF counts
- Kennemerland-ZuidNoord-Holland23,588 GBIF counts
- OostvaardersplassenFlevoland7,261 GBIF counts
- VeluweGelderland5,129 GBIF counts
Other birds at this location
- COSTSturnus vulgaris5,086 GBIF counts
- MallardAnas platyrhynchos523 GBIF counts
- Eurasian WigeonMareca penelope4,047 GBIF counts
- Domesticated GeeseAnser anser344 GBIF counts
- Northern ShovelerSpatula clypeata2,014 GBIF counts
- BuzzardButeo buteo52 GBIF counts
- Black-headed GullChroicocephalus ridibundus48 GBIF counts
- Green PloverVanellus vanellus59 GBIF counts
- Black ShagPhalacrocorax carbo66 GBIF counts
- Carrion CrowCorvus corone55 GBIF counts
- Greater White-fronted GooseAnser albifrons2,008 GBIF counts
- European White StorkCiconia ciconia49 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.