Data Zone
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 ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Barnacle Goose Branta leucopsis | LC | non-breeding (2011–2015) | 10,391–12,848 birds | A4i, B1i, C2 |
| Pink-footed Goose Anser brachyrhynchus | LC | winter (2011–2015) | 392 birds | B3 |
| Greater White-fronted Goose Anser albifrons | LC | non-breeding (2011–2015) | 14,389–23,019 birds | B1i, C3 |
| A4iii Species group - waterbirds | n/a | non-breeding (2011–2015) | 37,372–43,399 birds | A4iii, C4 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Midden Delfland & Oude Leede (Netherlands). Downloaded from
https://datazone.birdlife.org/site/factsheet/midden-delfland-&-oude-leede-iba-netherlands on 26/12/2024.