Jefferson Lake

Ecosystem Overview

The Jefferson Lake ecosystem supports 5 documented wildlife species across 5 taxonomic genera. Located in City of St. Louis, Missouri, this area provides critical habitat with diverse natural communities. The location hosts 2 frequently observed species and 0 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While City of St. Louis nearby has 95% more documented species, Jefferson Lake offers unique wildlife observation opportunities. This location ranks #3 for species diversity among 9 City of St. Louis County natural areas, placing it in the 67th 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 9 locations

Species Distribution

Very Common2 species

Common1 species

Occasional2 species

Rare0 species

Regional Context

Regional Ranking

#3 of 9 locations

67th percentile for diversity

vs. City of St. Louis

-95% 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 5 total documented species.

Pachydiplax longipennis

Blue Dasher

Very Common1 obs.

Oncorhynchus mykiss

Rainbow Trout

Very Common1 obs.

Branta canadensis

Canada goose

Very Common1 obs.

Ardea herodias

Great Blue Heron

Very Common1 obs.

Anas platyrhynchos

mallard

Very 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 Jefferson Lake. 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 Jefferson Lake. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-67%

vs. Regional Average

Compared to 8 nearby locations in City of St. Louis County, Missouri

Nearby Natural Areas

City Of St. Louis

Importance: 0.55

100 species

-95% vs. current

River Des Peres

Importance: 0.35

10 species

-50% vs. current

North Pond

Importance: 0.35

2 species

+150% vs. current

Francis Park Pond

Importance: 0.35

2 species

+150% vs. current

Round Lake

Importance: 0.35

2 species

+150% vs. current

Grotto Pond

Importance: 0.35

1 species

+400% vs. current

Lafayette Park Lake

Importance: 0.35

1 species

+400% vs. current

Post-dispatch Lake

Importance: 0.35

1 species

+400% 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 City of St. Louis 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

-67%

vs. Regional Average

Compared to 8 nearby locations in City of St. Louis County, Missouri

Nearby Natural Areas

City Of St. Louis

Importance: 0.55

100 species

-95% vs. current

River Des Peres

Importance: 0.35

10 species

-50% vs. current

North Pond

Importance: 0.35

2 species

+150% vs. current

Francis Park Pond

Importance: 0.35

2 species

+150% vs. current

Round Lake

Importance: 0.35

2 species

+150% vs. current

Grotto Pond

Importance: 0.35

1 species

+400% vs. current

Lafayette Park Lake

Importance: 0.35

1 species

+400% vs. current

Post-dispatch Lake

Importance: 0.35

1 species

+400% 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 9 locations

Species Distribution

Very Common2 species

Common1 species

Occasional2 species

Rare0 species

Regional Context

Regional Ranking

#3 of 9 locations

67th percentile for diversity

vs. City of St. Louis

-95% species diversity

Most Common Species

Showing 20 most frequently observed species out of 5 total documented species.

Pachydiplax longipennis

Blue Dasher

Very Common1 obs.

Oncorhynchus mykiss

Rainbow Trout

Very Common1 obs.

Branta canadensis

Canada goose

Very Common1 obs.

Ardea herodias

Great Blue Heron

Very Common1 obs.

Anas platyrhynchos

mallard

Very Common1 obs.

Want the Complete Field Guide?

Get all 5 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.