Two Rivers

Ecosystem Overview

The Two Rivers ecosystem supports 54 documented wildlife species across 53 taxonomic genera. Located in Manitowoc County, Wisconsin, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Manitowoc, Two Rivers hosts 350% more species diversity. This location ranks #2 for species diversity among 5 Manitowoc County County natural areas, placing it in the 60th 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 5 locations

Species Distribution

Very Common11 species

Common17 species

Occasional16 species

Rare10 species

Regional Context

Regional Ranking

#2 of 5 locations

60th percentile for diversity

vs. Manitowoc

+350% 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 54 total documented species.

Cistothorus palustris

Marsh Wren

Very Common3 obs.

Danaus plexippus

monarch

Very Common2 obs.

Lithobates pipiens

Northern Leopard Frog

Very Common2 obs.

Hydroprogne caspia

Caspian tern

Very Common2 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common2 obs.

Monarda fistulosa

Wild Bergamot

Common2 obs.

Spinus tristis

American goldfinch

Common2 obs.

Odocoileus virginianus

Key Deer

Common1 obs.

Marmota monax

Waldmurmeltier

Common1 obs.

Sylvilagus floridanus

Lapin A Queue Blanche

Common1 obs.

Prociphilus tessellatus

woolly alder aphid

Common1 obs.

Calidris pusilla

Semipalmated Sandpiper

Occasional1 obs.

Papilio glaucus

Eastern Tiger Swallowtail

Occasional1 obs.

Melanerpes carolinus

Red-bellied Woodpecker

Occasional1 obs.

Limnodromus griseus

Short-billed Dowitcher

Occasional1 obs.

Pandion haliaetus

osprey

Occasional1 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional1 obs.

Tringa flavipes

lesser yellowlegs

Rare1 obs.

Libytheana carinenta

American Snout

Rare1 obs.

Hyphantria cunea

Autumn Webworm

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 Two Rivers. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

+59%

vs. Regional Average

Compared to 4 nearby locations in Manitowoc County County, Wisconsin

Nearby Natural Areas

Manitowoc

Importance: 0.47

12 species

+350% vs. current

Manitowoc County

Importance: 0.40

100 species

-46% vs. current

Silver Lake

Importance: 0.35

1 species

+5300% vs. current

Cleveland

Importance: 0.31

24 species

+125% 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 Manitowoc 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

+59%

vs. Regional Average

Compared to 4 nearby locations in Manitowoc County County, Wisconsin

Nearby Natural Areas

Manitowoc

Importance: 0.47

12 species

+350% vs. current

Manitowoc County

Importance: 0.40

100 species

-46% vs. current

Silver Lake

Importance: 0.35

1 species

+5300% vs. current

Cleveland

Importance: 0.31

24 species

+125% 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 5 locations

Species Distribution

Very Common11 species

Common17 species

Occasional16 species

Rare10 species

Regional Context

Regional Ranking

#2 of 5 locations

60th percentile for diversity

vs. Manitowoc

+350% species diversity

Most Common Species

Showing 20 most frequently observed species out of 54 total documented species.

Cistothorus palustris

Marsh Wren

Very Common3 obs.

Danaus plexippus

monarch

Very Common2 obs.

Lithobates pipiens

Northern Leopard Frog

Very Common2 obs.

Hydroprogne caspia

Caspian tern

Very Common2 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common2 obs.

Monarda fistulosa

Wild Bergamot

Common2 obs.

Spinus tristis

American goldfinch

Common2 obs.

Odocoileus virginianus

Key Deer

Common1 obs.

Marmota monax

Waldmurmeltier

Common1 obs.

Sylvilagus floridanus

Lapin A Queue Blanche

Common1 obs.

Prociphilus tessellatus

woolly alder aphid

Common1 obs.

Calidris pusilla

Semipalmated Sandpiper

Occasional1 obs.

Papilio glaucus

Eastern Tiger Swallowtail

Occasional1 obs.

Melanerpes carolinus

Red-bellied Woodpecker

Occasional1 obs.

Limnodromus griseus

Short-billed Dowitcher

Occasional1 obs.

Pandion haliaetus

osprey

Occasional1 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional1 obs.

Tringa flavipes

lesser yellowlegs

Rare1 obs.

Libytheana carinenta

American Snout

Rare1 obs.

Hyphantria cunea

Autumn Webworm

Rare1 obs.

Want the Complete Field Guide?

Get all 54 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.