Data Zone
The site was identified as internationally important for bird conservation in 2010 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 |
|---|---|---|---|---|
| Bean Goose Anser fabalis | LC | passage (2006–2009) | 12,000 individuals | C3 |
| A4iii Species group - waterbirds | n/a | passage (2006–2009) | 21,000 individuals | C4 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Widawa and Olesnica River Valley (Poland). Downloaded from
https://datazone.birdlife.org/site/factsheet/widawa-and-olesnica-river-valley-iba-poland on 14/01/2025.