Marathon County

Ecosystem Overview

The Marathon County ecosystem supports 100 documented wildlife species across 91 taxonomic genera. Located in Marathon 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 Wausau, Marathon County hosts 456% more species diversity. This location ranks #1 for species diversity among 7 Marathon County County natural areas, placing it in the 86th 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 7 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 7 locations

86th percentile for diversity

vs. Wausau

+456% 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.

Smilax tamnoides

bristly greenbrier

Very Common7 obs.

Sitta carolinensis

White-Breasted Nuthatch (Interior West)

Very Common4 obs.

Zenaida macroura

Mourning Dove

Very Common4 obs.

Asclepias syriaca

Virginia-Silk

Very Common4 obs.

Branta canadensis

Canada goose

Very Common4 obs.

Chelydra serpentina

Snapping Turtle

Common3 obs.

Erythronium americanum

trout-lily

Common3 obs.

Harmonia axyridis

Harlequin ladybird

Common3 obs.

Aralia nudicaulis

Shotbush

Common3 obs.

Polypodium virginianum

Common Rock Polypody

Common3 obs.

Aquilegia canadensis

Colorado Columbine

Common3 obs.

Sitta canadensis

Red-breasted Nuthatch

Occasional2 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional2 obs.

Poecile atricapillus

Black-capped chickadee

Occasional2 obs.

Maianthemum racemosum

Feathery False Solomon'S-Seal

Occasional2 obs.

Trillium grandiflorum

Large-Flower Trillium

Occasional2 obs.

Trillium cernuum

Nodding Wakerobin

Occasional2 obs.

Onoclea sensibilis

Polypod Brake

Rare2 obs.

Cardinalis cardinalis

Northern Cardinal

Rare2 obs.

Melanerpes carolinus

Red-bellied Woodpecker

Rare2 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 Marathon County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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

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Regional Comparison

Regional Ranking

100

Species Count

+1900%

vs. Regional Average

Compared to 6 nearby locations in Marathon County County, Wisconsin

Nearby Natural Areas

Wausau

Importance: 0.46

18 species

+456% vs. current

Big Eau Pleine Reservoir

Importance: 0.35

7 species

+1329% vs. current

Schofield

Importance: 0.35

1 species

+9900% vs. current

Rothschild

Importance: 0.33

1 species

+9900% vs. current

Hatley

Importance: 0.32

3 species

+3233% vs. current

Lake Wausau

Importance: 0.20

1 species

+9900% 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 Marathon 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

+1900%

vs. Regional Average

Compared to 6 nearby locations in Marathon County County, Wisconsin

Nearby Natural Areas

Wausau

Importance: 0.46

18 species

+456% vs. current

Big Eau Pleine Reservoir

Importance: 0.35

7 species

+1329% vs. current

Schofield

Importance: 0.35

1 species

+9900% vs. current

Rothschild

Importance: 0.33

1 species

+9900% vs. current

Hatley

Importance: 0.32

3 species

+3233% vs. current

Lake Wausau

Importance: 0.20

1 species

+9900% 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 7 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 7 locations

86th percentile for diversity

vs. Wausau

+456% species diversity

Most Common Species

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

Smilax tamnoides

bristly greenbrier

Very Common7 obs.

Sitta carolinensis

White-Breasted Nuthatch (Interior West)

Very Common4 obs.

Zenaida macroura

Mourning Dove

Very Common4 obs.

Asclepias syriaca

Virginia-Silk

Very Common4 obs.

Branta canadensis

Canada goose

Very Common4 obs.

Chelydra serpentina

Snapping Turtle

Common3 obs.

Erythronium americanum

trout-lily

Common3 obs.

Harmonia axyridis

Harlequin ladybird

Common3 obs.

Aralia nudicaulis

Shotbush

Common3 obs.

Polypodium virginianum

Common Rock Polypody

Common3 obs.

Aquilegia canadensis

Colorado Columbine

Common3 obs.

Sitta canadensis

Red-breasted Nuthatch

Occasional2 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional2 obs.

Poecile atricapillus

Black-capped chickadee

Occasional2 obs.

Maianthemum racemosum

Feathery False Solomon'S-Seal

Occasional2 obs.

Trillium grandiflorum

Large-Flower Trillium

Occasional2 obs.

Trillium cernuum

Nodding Wakerobin

Occasional2 obs.

Onoclea sensibilis

Polypod Brake

Rare2 obs.

Cardinalis cardinalis

Northern Cardinal

Rare2 obs.

Melanerpes carolinus

Red-bellied Woodpecker

Rare2 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.