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 | winter | 2011-2015 | 60,624 individuals | B3 |
Barnacle Goose Branta leucopsis | LC | non-breeding | 2011-2015 | 90,163-128,114 individuals | A4i, B1i, C2, C6 |
Pink-footed Goose Anser brachyrhynchus | LC | winter | 2011-2015 | 51 individuals | B3 |
Pink-footed Goose Anser brachyrhynchus | LC | non-breeding | 2011-2015 | 1,742-3,068 individuals | B1i, C3 |
Greater White-fronted Goose Anser albifrons | LC | non-breeding | 2011-2015 | 42,411-48,899 individuals | A4i, B1i, C3 |
A4iii Species group - waterbirds | n/a | non-breeding | 2011-2015 | 120,486-146,684 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: Wonseradeel & Workum (Netherlands). Downloaded from
https://datazone.birdlife.org/site/factsheet/wonseradeel-&-workum-iba-netherlands on 23/11/2024.