The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
---|---|---|---|---|---|
Barnacle Goose Branta leucopsis | LC | non-breeding | 2011-2015 | 10,391-12,848 individuals | A4i, B1i, C2 |
Pink-footed Goose Anser brachyrhynchus | LC | winter | 2011-2015 | 392 individuals | B3 |
Greater White-fronted Goose Anser albifrons | LC | non-breeding | 2011-2015 | 14,389-23,019 individuals | B1i, C3 |
A4iii Species group - waterbirds | n/a | non-breeding | 2011-2015 | 37,372-43,399 individuals | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2016) may differ.
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 23/11/2024.