
Big Black-head at Rijntakken
Aythya marila · Gelderland
- counts at this location
- 195
- best month
- January
- period
- 1985-2025
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
- Green PloverVanellus vanellus1,830,365 GBIF counts
- Greater White-fronted GooseAnser albifrons1,722,283 GBIF counts
- Domesticated GeeseAnser anser845,681 GBIF counts
- COSTSturnus vulgaris799,667 GBIF counts
- Common CurlewNumenius arquata465,180 GBIF counts
- Black-headed GullChroicocephalus ridibundus427,275 GBIF counts
- Eurasian WigeonMareca penelope179,744 GBIF counts
- Barnacle GooseBranta leucopsis177,063 GBIF counts
- Black CootFulica atra156,972 GBIF counts
- Northern ShovelerSpatula clypeata143,909 GBIF counts
- GadwallMareca strepera138,816 GBIF counts
- MallardAnas platyrhynchos127,202 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.