Jefferson County

Ecosystem Overview

The Jefferson County ecosystem supports 100 documented wildlife species across 91 taxonomic genera. Located in Jefferson County, Wisconsin, 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. Compared to nearby Fort Atkinson, Jefferson County hosts 1011% more species diversity. This location ranks #1 for species diversity among 8 Jefferson County County natural areas, placing it in the 88th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 8 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 8 locations

88th percentile for diversity

vs. Fort Atkinson

+1011% 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 100 total documented species.

Asclepias syriaca

Virginia-Silk

Very Common20 obs.

Silphium laciniatum

pilot weed

Very Common16 obs.

Branta canadensis

Canada goose

Very Common15 obs.

Leonurus cardiaca

motherwort

Very Common12 obs.

Toxicodendron vernix

poison sumac

Very Common11 obs.

Passer domesticus

House Sparrow

Common11 obs.

Eryngium yuccifolium

Rattlesnake-Master

Common11 obs.

Silphium terebinthinaceum

dock-rosinweed

Common11 obs.

Cardinalis cardinalis

Northern Cardinal

Common10 obs.

Asclepias incarnata

Pleurisy Root

Common10 obs.

Ratibida pinnata

Gray-Head Prairie-Coneflower

Common10 obs.

Rudbeckia hirta

Blackeyed Susan

Occasional9 obs.

Lilium michiganense

Michigan lily

Occasional9 obs.

Lathyrus palustris

Marsh Pea

Occasional9 obs.

Lobelia spicata

Spiked Lobelia

Occasional9 obs.

Zenaida macroura

Mourning Dove

Occasional9 obs.

Junco hyemalis

dark-eyed junco

Occasional9 obs.

Spiraea alba

Meadowsweet

Rare8 obs.

Rosa multiflora

Many-Flower Rose

Rare8 obs.

Phlox pilosa

prairie phlox

Rare8 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 Jefferson County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+426%

vs. Regional Average

Compared to 7 nearby locations in Jefferson County County, Wisconsin

Nearby Natural Areas

Fort Atkinson

Importance: 0.35

9 species

+1011% vs. current

Rose Lake

Importance: 0.35

10 species

+900% vs. current

Rock Lake

Importance: 0.35

8 species

+1150% vs. current

Jefferson

Importance: 0.33

10 species

+900% vs. current

Lake Mills

Importance: 0.32

66 species

+52% vs. current

Waterloo

Importance: 0.32

24 species

+317% vs. current

Johnson Creek

Importance: 0.31

6 species

+1567% 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 Jefferson 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

100

Species Count

+426%

vs. Regional Average

Compared to 7 nearby locations in Jefferson County County, Wisconsin

Nearby Natural Areas

Fort Atkinson

Importance: 0.35

9 species

+1011% vs. current

Rose Lake

Importance: 0.35

10 species

+900% vs. current

Rock Lake

Importance: 0.35

8 species

+1150% vs. current

Jefferson

Importance: 0.33

10 species

+900% vs. current

Lake Mills

Importance: 0.32

66 species

+52% vs. current

Waterloo

Importance: 0.32

24 species

+317% vs. current

Johnson Creek

Importance: 0.31

6 species

+1567% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 8 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 8 locations

88th percentile for diversity

vs. Fort Atkinson

+1011% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Asclepias syriaca

Virginia-Silk

Very Common20 obs.

Silphium laciniatum

pilot weed

Very Common16 obs.

Branta canadensis

Canada goose

Very Common15 obs.

Leonurus cardiaca

motherwort

Very Common12 obs.

Toxicodendron vernix

poison sumac

Very Common11 obs.

Passer domesticus

House Sparrow

Common11 obs.

Eryngium yuccifolium

Rattlesnake-Master

Common11 obs.

Silphium terebinthinaceum

dock-rosinweed

Common11 obs.

Cardinalis cardinalis

Northern Cardinal

Common10 obs.

Asclepias incarnata

Pleurisy Root

Common10 obs.

Ratibida pinnata

Gray-Head Prairie-Coneflower

Common10 obs.

Rudbeckia hirta

Blackeyed Susan

Occasional9 obs.

Lilium michiganense

Michigan lily

Occasional9 obs.

Lathyrus palustris

Marsh Pea

Occasional9 obs.

Lobelia spicata

Spiked Lobelia

Occasional9 obs.

Zenaida macroura

Mourning Dove

Occasional9 obs.

Junco hyemalis

dark-eyed junco

Occasional9 obs.

Spiraea alba

Meadowsweet

Rare8 obs.

Rosa multiflora

Many-Flower Rose

Rare8 obs.

Phlox pilosa

prairie phlox

Rare8 obs.

Want the Complete Field Guide?

Get all 100 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.