Big Black-head at Ketelmeer & Vossemeer
Aythya marila · Overijssel
- counts at this location
- 2,006
- best month
- December
- period
- 1988-2020
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
- IJsselmeerFriesland383,235 GBIF counts
- WaddenzeeFriesland75,383 GBIF counts
- GrevelingenZeeland1,104 GBIF counts
- LauwersmeerGroningen582 GBIF counts
- OostvaardersplassenFlevoland566 GBIF counts
- OosterscheldeZeeland1,162 GBIF counts
- VoordeltaZeeland9,412 GBIF counts
- Kennemerland-ZuidNoord-Holland212 GBIF counts
- NoordzeekustzoneNoord-Holland636 GBIF counts
- Markermeer & IJmeerNoord-Holland3,210 GBIF counts
- BiesboschNoord-Brabant298 GBIF counts
- VeluwerandmerenFlevoland227 GBIF counts
Other birds at this location
- Tufted DuckAythya fuligula61,135 GBIF counts
- Green PloverVanellus vanellus36,338 GBIF counts
- COSTSturnus vulgaris13,581 GBIF counts
- GadwallMareca strepera13,200 GBIF counts
- Black-headed GullChroicocephalus ridibundus12,936 GBIF counts
- Domesticated GeeseAnser anser12,482 GBIF counts
- Black CootFulica atra7,951 GBIF counts
- Big fish-duckMergus merganser7,135 GBIF counts
- Black ShagPhalacrocorax carbo6,526 GBIF counts
- Mute SwanCygnus olor5,029 GBIF counts
- Barnacle GooseBranta leucopsis4,727 GBIF counts
- Greater White-fronted GooseAnser albifrons3,339 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.