O'Brien County, IA
County10,020 species observed across 8 groups · Pop. 14.2K
Ecoregions
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Species observed
Birds· 416 species
Mammals· 77 species
Plants· 2,550 species
Reptiles & Amphibians· 66 species
Fish· 119 species
Insects· 4,850 species
Other Invertebrates· 656 species
Fungi & Lichens· 1,286 species
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StateIowaPop. 3.2M