Download a professional PDF field guide featuring all the species found in Chautauqua National Wildlife Refuge. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 78 total documented species.
Red-Winged Blackbird
Eastern Cottontail
Horse-Mint
Poison Ivy
Mute Swan

Eurasian Tree Sparrow
American Coot
Kildeer
American White Pelican
Millipede
Eastern Forktail
Small White
Canada Goose
Fowler'S Toad
Fragile Forktail
Mallard
Shoveler
Hackberry Emperor

Yellow Lotus

Red Carpenter Ant
Get all 78 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Mason 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 Mason County County.
The Chautauqua National Wildlife Refuge ecosystem supports 78 documented wildlife species across 74 taxonomic genera. Located in Mason County, Illinois, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Mason County nearby has 1% more documented species, Chautauqua National Wildlife Refuge offers unique wildlife observation opportunities. This location ranks #25 for species diversity among 100 Mason County County natural areas, placing it in the 75th percentile for biodiversity.