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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

Educational Resources

Exotic/Invasive Species in Illinois

Aquatic Illinois Unit Lessons
Aquatic Plants: Their Identification and Management Booklet
Exotic Species in Illinois IDNR Division of Education webpage
Common Freshwater Fish of Illinois Booklet
Feral Swine: A Threat To Illinois Brochure
Gettin' Wild in Illinois: Ring-Necked Pheasant Informational Pages
Illinois Biodiversity Basics Unit Lessons
Illinois Department of Natural Resources Invasive Species website
Kids for Conservation® Archive – May 2016, Invasive Species
Resources Trunks and Field Trip Packs
What Fish is This? Booklet
Wild About Illinois Birds! - Nonnative Species

Podcasts

Click here to go to Podcasts page. Search "Exotic Species."

Invasive Species - Control
Invasive Species - Examples
Invasive Species - Joining the Fight
Invasive Species - What are Invasive Species?
Rivers of Illinois: Mississippi, Illinois, Wabash and Ohio: Ecology: Invasive Species

Activity Books

Aquatic Resources of Illinois (English and Spanish)

Booklet contains student lessons and related activities. Targeted Grades: 4-8. Permission to photocopy these pages is granted for use with students in the classroom.