Oconomowoc Lake

Ecosystem Overview

The Oconomowoc Lake ecosystem supports 57 documented wildlife species across 51 taxonomic genera. Located in Waukesha County, Wisconsin, this area provides critical habitat with diverse natural communities. The location hosts 12 frequently observed species and 11 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Waukesha nearby has 43% more documented species, Oconomowoc Lake offers unique wildlife observation opportunities. This location ranks #7 for species diversity among 33 Waukesha County County natural areas, placing it in the 79th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 33 locations

Species Distribution

Very Common12 species

Common17 species

Occasional17 species

Rare11 species

Regional Context

Regional Ranking

#7 of 33 locations

79th percentile for diversity

vs. Waukesha

-43% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 57 total documented species.

Eutrochium maculatum

spotted Joe Pye weed

Very Common4 obs.

Cornus sericea

Red-osier dogwood, red willow

Very Common3 obs.

Sander vitreus

Pike-Perch

Very Common3 obs.

Hirundo rustica

barn swallow

Very Common3 obs.

Esox masquinongy

Wisconsin Muskie

Very Common3 obs.

Tilia americana

White Basswood

Common3 obs.

Pyganodon grandis

Giant Floater Mussel

Common2 obs.

Turdus migratorius

American Robin

Common2 obs.

Melilotus officinalis

Sweetclover

Common2 obs.

Potamogeton amplifolius

Broad-Leaved Pondweed

Common2 obs.

Lythrum salicaria

purple loosestrife

Common2 obs.

Frangula alnus

Frangula

Occasional2 obs.

Larix decidua

European larch

Occasional2 obs.

Apis mellifera

Western Honey Bee

Occasional1 obs.

Lepomis macrochirus

Bluegill sunfish

Occasional1 obs.

Percina caprodes

Log Perch

Occasional1 obs.

Perca flavescens

Lake Perch

Occasional1 obs.

Lampsilis siliquoidea

Fatmucket

Rare1 obs.

Papilio polyxenes

American Swallowtail

Rare1 obs.

Bombus impatiens

Common Eastern Bumblebee

Rare1 obs.

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Most Common Species

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Oconomowoc Lake. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-10%

vs. Regional Average

Compared to 8 nearby locations in Waukesha County County, Wisconsin

Nearby Natural Areas

Waukesha

Importance: 0.47

100 species

-43% vs. current

Waukesha County

Importance: 0.41

100 species

-43% vs. current

Menomonee Falls

Importance: 0.40

92 species

-38% vs. current

Oconomowoc

Importance: 0.38

75 species

-24% vs. current

City Of Pewaukee

Importance: 0.36

11 species

+418% vs. current

Lake Okauchee

Importance: 0.35

100 species

-43% vs. current

Fowler Lake

Importance: 0.35

17 species

+235% vs. current

Nagawicka Lake

Importance: 0.35

9 species

+533% vs. current

About This Comparison

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 Waukesha County County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Regional Comparison

Regional Ranking

Species Count

-10%

vs. Regional Average

Compared to 8 nearby locations in Waukesha County County, Wisconsin

Nearby Natural Areas

Waukesha

Importance: 0.47

100 species

-43% vs. current

Waukesha County

Importance: 0.41

100 species

-43% vs. current

Menomonee Falls

Importance: 0.40

92 species

-38% vs. current

Oconomowoc

Importance: 0.38

75 species

-24% vs. current

City Of Pewaukee

Importance: 0.36

11 species

+418% vs. current

Lake Okauchee

Importance: 0.35

100 species

-43% vs. current

Fowler Lake

Importance: 0.35

17 species

+235% vs. current

Nagawicka Lake

Importance: 0.35

9 species

+533% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 33 locations

Species Distribution

Very Common12 species

Common17 species

Occasional17 species

Rare11 species

Regional Context

Regional Ranking

#7 of 33 locations

79th percentile for diversity

vs. Waukesha

-43% species diversity

Common Eastern Bumblebee

Rare1 obs.

Want the Complete Field Guide?

Get all 57 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.