Marine On St. Croix

Ecosystem Overview

The Marine On St. Croix ecosystem supports 6 documented wildlife species across 6 taxonomic genera. Located in Washington County, Minnesota, this area provides critical habitat with diverse natural communities. The location hosts 2 frequently observed species and 1 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Stillwater nearby has 62% more documented species, Marine On St. Croix offers unique wildlife observation opportunities. This location ranks #8 for species diversity among 13 Washington County County natural areas, placing it in the 38th 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 13 locations

Species Distribution

Very Common2 species

Common2 species

Occasional1 species

Rare1 species

Regional Context

Regional Ranking

#8 of 13 locations

38th percentile for diversity

vs. Stillwater

-62% 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 6 total documented species.

Gomphurus fraternus

Midland Clubtail

Very Common1 obs.

Lithobates catesbeianus

Common Bullfrog

Very Common1 obs.

Hesperis matronalis

Dames rocket

Very Common1 obs.

Achillea millefolium

yarrow, milfoil

Very Common1 obs.

Harmonia axyridis

Harlequin ladybird

Very Common1 obs.

Limenitis arthemis

Red-Spotted Admiral

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 Marine on St. Croix. Perfect for outdoor adventures, education, and nature exploration.

$6.99

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Marine on St. Croix. Perfect for outdoor adventures, education, and nature exploration.

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$6.99

Regional Comparison

Regional Ranking

Species Count

-81%

vs. Regional Average

Compared to 8 nearby locations in Washington County County, Minnesota

Nearby Natural Areas

Stillwater

Importance: 0.43

16 species

-62% vs. current

Washington County

Importance: 0.42

100 species

-94% vs. current

Forest Lake

Importance: 0.35

10 species

-40% vs. current

Mays Lake

Importance: 0.35

1 species

+500% vs. current

Lake McKusick

Importance: 0.35

1 species

+500% vs. current

Afton

Importance: 0.28

55 species

-89% vs. current

Lake Elmo

Importance: 0.28

61 species

-90% vs. current

Bayport

Importance: 0.28

4 species

+50% 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 Washington 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

-81%

vs. Regional Average

Compared to 8 nearby locations in Washington County County, Minnesota

Nearby Natural Areas

Stillwater

Importance: 0.43

16 species

-62% vs. current

Washington County

Importance: 0.42

100 species

-94% vs. current

Forest Lake

Importance: 0.35

10 species

-40% vs. current

Mays Lake

Importance: 0.35

1 species

+500% vs. current

Lake McKusick

Importance: 0.35

1 species

+500% vs. current

Afton

Importance: 0.28

55 species

-89% vs. current

Lake Elmo

Importance: 0.28

61 species

-90% vs. current

Bayport

Importance: 0.28

4 species

+50% 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 13 locations

Species Distribution

Very Common2 species

Common2 species

Occasional1 species

Rare1 species

Regional Context

Regional Ranking

#8 of 13 locations

38th percentile for diversity

vs. Stillwater

-62% species diversity

Most Common Species

Showing 20 most frequently observed species out of 6 total documented species.

Gomphurus fraternus

Midland Clubtail

Very Common1 obs.

Lithobates catesbeianus

Common Bullfrog

Very Common1 obs.

Hesperis matronalis

Dames rocket

Very Common1 obs.

Achillea millefolium

yarrow, milfoil

Very Common1 obs.

Harmonia axyridis

Harlequin ladybird

Very Common1 obs.

Limenitis arthemis

Red-Spotted Admiral

Common1 obs.

Want the Complete Field Guide?

Get all 6 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.