Data Zone
The site was identified as internationally important for bird conservation in 2002 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 |
|---|---|---|---|---|
| Ferruginous Duck Aythya nyroca | NT | breeding (2000) | 8 breeding pairs | C6 |
| Spotted Crake Porzana porzana | LC | breeding (1999–2000) | 6 breeding pairs | C6 |
| Little Crake Zapornia parva | LC | breeding (1999–2000) | 4 breeding pairs | C6 |
| Eurasian Spoonbill Platalea leucorodia | LC | breeding (2000) | 2 breeding pairs | C6 |
| Eurasian Bittern Botaurus stellaris | LC | breeding (1999–2000) | 3 breeding pairs | C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding (1999–2000) | 62 breeding pairs | C2, C6 |
| Black-crowned Night Heron Nycticorax nycticorax | LC | breeding (2000) | 222 breeding pairs | C2 |
| Squacco Heron Ardeola ralloides | LC | breeding (2000) | 17 breeding pairs | C2, C6 |
| Purple Heron Ardea purpurea | LC | breeding (2000) | 94 breeding pairs | C2, C6 |
| Great White Egret Ardea alba | LC | breeding (1999–2000) | 4 breeding pairs | C6 |
| Black-winged Stilt Himantopus himantopus | LC | breeding (1999–2000) | 484 breeding pairs | A4i, B1i, C2, C6 |
| Whiskered Tern Chlidonias hybrida | LC | breeding (1999–2000) | 351 breeding pairs | A4i, B1i, C2, C6 |
| Western Marsh-harrier Circus aeruginosus | LC | breeding (2000) | 6 breeding pairs | C6 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Valli Bolognesi (Italy). Downloaded from
https://datazone.birdlife.org/site/factsheet/valli-bolognesi-iba-italy on 25/01/2025.