Download a professional PDF field guide featuring all the species found in Havana. Perfect for outdoor adventures, education, and nature exploration.
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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.
Showing 20 most frequently observed species out of 80 total documented species.

Motherwort
Ribwort

Potato
Red-Headed Woodpecker
Grasshopper Sparrow

Lilac
Horseweed

Eurasian Tree Sparrow

Sweating-Weed
Northern Mockingbird
Fowler'S Toad
Hedge Garlic

Western Kingbird
Swamp Milkweed Leaf Beetle
Poison Ivy
White Elder
Japanese Beetle
Trumpetvine
American White Pelican
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Havana ecosystem supports 80 documented wildlife species across 72 taxonomic genera. Located in Mason County, Illinois, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Mason County, Havana hosts 1% more species diversity. This location ranks #5 for species diversity among 100 Mason County County natural areas, placing it in the 95th percentile for biodiversity.