Download a professional PDF field guide featuring all the species found in Hardin County. Perfect for outdoor adventures, education, and nature exploration.
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Compared to 8 nearby locations in Hardin County County, Illinois
These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Hardin County County.
Showing 20 most frequently observed species out of 74 total documented species.
Summer Tanager
Woodbine
Farkleberry
Redcedar
Clasping Bellwort
Blue Swallowtail
Fence Lizard
Wood Thrush
Silkweed
Gray Squirrel
Tiger Swallowtail
Wild Yam
Heal-All
Silvery Checkerspot
Tuliptree

Toothcup

Shadblow
Tufted Titmouse

American Dittany

Get all 74 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Hardin County ecosystem supports 74 documented wildlife species across 70 taxonomic genera. Located in Hardin County, Illinois, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Rosiclare, Hardin County hosts 957% more species diversity. This location ranks #20 for species diversity among 100 Hardin County County natural areas, placing it in the 80th percentile for biodiversity.