Willow Warbler at Oude Maas
Phylloscopus trochilus · Zuid-Holland
- counts at this location
- 60
- best month
- April
- period
- 1991-2024
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
- Domesticated GeeseAnser anser1,597 GBIF counts
- MallardAnas platyrhynchos432 GBIF counts
- GRTIParus major286 GBIF counts
- Grey HeronArdea cinerea159 GBIF counts
- EUWRTroglodytes troglodytes158 GBIF counts
- Carrion CrowCorvus corone203 GBIF counts
- Continental RobinErithacus rubecula87 GBIF counts
- Black CootFulica atra257 GBIF counts
- Egyptian GooseAlopochen aegyptiaca232 GBIF counts
- Mute SwanCygnus olor205 GBIF counts
- GadwallMareca strepera293 GBIF counts
- Black-billed MagpiePica pica170 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.