Mill Lake

Ecosystem Overview

The Mill Lake ecosystem supports 11 documented wildlife species across 11 taxonomic genera. Located in Washtenaw County, Michigan, this area provides critical habitat with diverse natural communities. The location hosts 3 frequently observed species and 2 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Ann Arbor nearby has 89% more documented species, Mill Lake offers unique wildlife observation opportunities. This location ranks #28 for species diversity among 49 Washtenaw County County natural areas, placing it in the 43th 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

#28

Regional Rank

Out of 49 locations

Species Distribution

Very Common3 species

Common3 species

Occasional3 species

Rare2 species

Regional Context

Regional Ranking

#28 of 49 locations

43th percentile for diversity

vs. Ann Arbor

-89% 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 11 total documented species.

Nehalennia irene

Sedge Sprite

Very Common1 obs.

Ischnura verticalis

Eastern Forktail

Very Common1 obs.

Celithemis fasciata

Banded Pennant

Very Common1 obs.

Chelydra serpentina

Snapping Turtle

Very Common1 obs.

Eleocharis equisetoides

knotted spike-rush

Very Common1 obs.

Dioscorea villosa

Yam Root

Common1 obs.

Nymphaea odorata

American white waterlily

Common1 obs.

Rosa palustris

swamp rose

Common1 obs.

Symphyotrichum novae-angliae

New England Or Michaelmas Daisy

Common1 obs.

Epitheca cynosura

Common Baskettail

Common1 obs.

Lestes vigilax

Swamp Spreadwing

Common1 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

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

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Regional Comparison

Regional Ranking

Species Count

-78%

vs. Regional Average

Compared to 8 nearby locations in Washtenaw County County, Michigan

Nearby Natural Areas

Ann Arbor

Importance: 0.55

100 species

-89% vs. current

Ypsilanti

Importance: 0.47

83 species

-87% vs. current

Washtenaw County

Importance: 0.44

100 species

-89% vs. current

Charter Township Of Ypsilanti

Importance: 0.40

100 species

-89% vs. current

South Pond

Importance: 0.35

12 species

-8% vs. current

Crooked Lake

Importance: 0.35

8 species

+38% vs. current

Dix Pond

Importance: 0.35

4 species

+175% vs. current

Little Cedar Lake

Importance: 0.35

4 species

+175% 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 Washtenaw 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

-78%

vs. Regional Average

Compared to 8 nearby locations in Washtenaw County County, Michigan

Nearby Natural Areas

Ann Arbor

Importance: 0.55

100 species

-89% vs. current

Ypsilanti

Importance: 0.47

83 species

-87% vs. current

Washtenaw County

Importance: 0.44

100 species

-89% vs. current

Charter Township Of Ypsilanti

Importance: 0.40

100 species

-89% vs. current

South Pond

Importance: 0.35

12 species

-8% vs. current

Crooked Lake

Importance: 0.35

8 species

+38% vs. current

Dix Pond

Importance: 0.35

4 species

+175% vs. current

Little Cedar Lake

Importance: 0.35

4 species

+175% 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

#28

Regional Rank

Out of 49 locations

Species Distribution

Very Common3 species

Common3 species

Occasional3 species

Rare2 species

Regional Context

Regional Ranking

#28 of 49 locations

43th percentile for diversity

vs. Ann Arbor

-89% species diversity

Most Common Species

Showing 20 most frequently observed species out of 11 total documented species.

Nehalennia irene

Sedge Sprite

Very Common1 obs.

Ischnura verticalis

Eastern Forktail

Very Common1 obs.

Celithemis fasciata

Banded Pennant

Very Common1 obs.

Chelydra serpentina

Snapping Turtle

Very Common1 obs.

Eleocharis equisetoides

knotted spike-rush

Very Common1 obs.

Dioscorea villosa

Yam Root

Common1 obs.

Nymphaea odorata

American white waterlily

Common1 obs.

Rosa palustris

swamp rose

Common1 obs.

Symphyotrichum novae-angliae

New England Or Michaelmas Daisy

Common1 obs.

Epitheca cynosura

Common Baskettail

Common1 obs.

Lestes vigilax

Swamp Spreadwing

Common1 obs.

Want the Complete Field Guide?

Get all 11 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.