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 |
|---|---|---|---|---|
| Ural Owl Strix uralensis | LC | resident (2010) | 50–70 breeding pairs | C6 |
| European Honey-buzzard Pernis apivorus | LC | breeding (2010) | 15–20 breeding pairs | C6 |
| Black Woodpecker Dryocopus martius | LC | resident (2010) | 50–80 breeding pairs | C6 |
| Middle Spotted Woodpecker Leiopicus medius | LC | resident (2010) | 700–1,100 breeding pairs | B3, C2, C6 |
| Collared Flycatcher Ficedula albicollis | LC | breeding (2010) | 8,000–18,000 breeding pairs | B3, C2, C6 |
| Red-breasted Flycatcher Ficedula parva | LC | breeding (2010) | 80–160 breeding pairs | C6 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Mt Bilogora and Kalnik (Croatia). Downloaded from
https://datazone.birdlife.org/site/factsheet/mt-bilogora-and-kalnik-iba-croatia on 21/01/2025.