Mercer County, IL
County12229 species observed across 5 groups · Pop. 15.6K
Ecoregions
Species observed
Increased Seasonal Activity
Currently Flowering
Birds· 413 species
Mammals· 88 species
Plants· 3565 species
Reptiles & Amphibians
Fish
Insects· 7325 species
Other Invertebrates· 838 species
Fungi & Lichens
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Part of
StateIllinoisPop. 12.8M