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Illinois Department of Natural Resources (

Conserves and manages the state’s natural resources, including wildlife and aquatic resources.  Sources of information on threatened and endangered species include:


  • Division of Natural Heritage ( – features information on state and federal threatened and endangered plants and wildlife, habitats of particular conservation concern, and stewardship actions designed to benefit these important natural resources. County lists of threatened and endangered species are available. 

**A fee is charged to compile site-specific species lists and information. 


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