Country/territory: USA
Subnational region(s): Illinois
IBA Justification: A1 (2009)
Area: 971 hectares (9.71 km2)
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Prairie Ridge State Natural Area - Jasper and Marion Units (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/prairie-ridge-state-natural-area--jasper-and-marion-units-iba-usa on 26/01/2025.