The site was identified as internationally important for bird conservation in 2016 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Barnacle Goose Branta leucopsis | LC | non-breeding (2011–2015) | 16,213–20,660 individuals | A4i, B1i, C2 |
Greater White-fronted Goose Anser albifrons | LC | non-breeding (2011–2015) | 24,100–29,050 individuals | B1i, C3 |
Hen Harrier Circus cyaneus | LC | non-breeding (2011–2015) | 7–10 individuals | C6 |
A4iii Species group - waterbirds | n/a | non-breeding (2011–2015) | 43,201–49,850 individuals | A4iii, C4 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Oenkerk, Giekerk e.o. (Netherlands). Downloaded from
https://datazone.birdlife.org/site/factsheet/oenkerk-giekerk-e.o.-iba-netherlands on 22/01/2025.