The Oak Brook ecosystem supports 100 documented wildlife species across 95 taxonomic genera. Located in dupage county, illinois, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #1 for species diversity among 37 dupage county County natural areas, placing it in the 97th percentile for biodiversity.
Showing 20 most frequently observed species out of 100 total documented species.
Decim Periodical Cicada
Cassini Periodical Cicada
Alternate-Leaved Crownbeard
Large Maple Spanworm Moth
American Sycamore
sharp-lobed liverleaf
Eastern Phoebe
Eastern Springbeauty
White Vervain
Key Deer
Orangespotted sunfish
late boneset
Chub
American Robin
eastern chipmunk
American Toad
Pale Beauty Moth
Western Honey Bee
Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Download a professional PDF field guide featuring all the species found in Oak Brook. Perfect for outdoor adventures, education, and nature exploration.
Download a professional PDF field guide featuring all the species found in Oak Brook. Perfect for outdoor adventures, education, and nature exploration.
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Discover 8 other wildlife-rich locations near Oak Brook. Each offers unique biodiversity and wildlife viewing opportunities.
These nearby locations complement Oak Brookwithin Dupage County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.