Data Zone
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 | 49,336-64,358 individuals | A4i, B1i, C2, C6 |
| Barnacle Goose Branta leucopsis | LC | winter | 2011-2015 | 41,724 individuals | B3 |
| Greater White-fronted Goose Anser albifrons | LC | non-breeding | 2011-2015 | 44,832-51,745 individuals | A4i, B1i, C3 |
| White Stork Ciconia ciconia | LC | breeding | 2011-2015 | 10-22 breeding pairs | C6 |
| A4iii Species group - waterbirds | n/a | non-breeding | 2011-2015 | 83,609-104,280 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: Opsterland & Smallingerland (Netherlands). Downloaded from
https://datazone.birdlife.org/site/factsheet/opsterland-&-smallingerland-iba-netherlands on 23/11/2024.