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Location USA, Illinois
Central coordinates 88o 40.20' West  39o 49.80' North
IBA criteria A1
Area 971 ha
Altitude 160 - 233m
Year of IBA assessment 2009


Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Greater Prairie-chicken Tympanuchus cupido breeding  2000  105 breeding pairs  good  A1  Vulnerable 
Henslow's Sparrow Ammodramus henslowii breeding  2000  95 males only  unknown  A1  Near Threatened 

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Prairie Ridge State Natural Area - Jasper and Marion Units. Downloaded from on 20/10/2016

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