Download a professional PDF field guide featuring all the species found in Onawa. Perfect for outdoor adventures, education, and nature exploration.
Your field guide will be delivered to this email address. Please double-check for accuracy.
Compared to 8 nearby locations in Monona County County, Iowa
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 Monona County County.
Showing 20 most frequently observed species out of 65 total documented species.

Cottonwood
Blowball
Haymaids
House Sparrow

Obedience

Pavement Ant

Soft Maple

Tall Vervain
Boar Thistle
American White Pelican

Pleurisy Root

Giant Floater

Grey-Headed Coneflower

Dutch Clover
Tan Jumping Spider

Lilliput
Redcedar
Starling

Plantain

Nettle
Get all 65 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Onawa ecosystem supports 65 documented wildlife species across 61 taxonomic genera. Located in Monona County, Iowa, this area provides critical habitat with diverse natural communities. The location hosts 14 frequently observed species and 12 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Monona County nearby has 14% more documented species, Onawa offers unique wildlife observation opportunities. This location ranks #2 for species diversity among 100 Monona County County natural areas, placing it in the 98th percentile for biodiversity.