St. Charles County

Ecosystem Overview

The St. Charles County ecosystem supports 100 documented wildlife species across 81 taxonomic genera. Located in St. Charles County, Missouri, 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 O'Fallon, St. Charles County hosts 1567% more species diversity. This location ranks #2 for species diversity among 14 St. Charles 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 14 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 14 locations

86th percentile for diversity

vs. O'Fallon

+1567% species diversity

Ecosystem Overview

‌
‌
‌
‌

Biodiversity Highlights

‌

Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

‌

Most Common Species

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

Pelecanus erythrorhynchos

American White Pelican

Very Common21 obs.

Cygnus buccinator

trumpeter swan

Very Common20 obs.

Larus delawarensis

Ring-billed Gull

Very Common20 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common19 obs.

Branta canadensis

Canada goose

Very Common18 obs.

Ardea herodias

Great Blue Heron

Common16 obs.

Zonotrichia albicollis

white-throated sparrow

Common14 obs.

Cardinalis cardinalis

Northern Cardinal

Common13 obs.

Anas platyrhynchos

mallard

Common13 obs.

Junco hyemalis

dark-eyed junco

Common13 obs.

Passer montanus

tree sparrow

Common13 obs.

Nerodia sipedon

Northern Water Snake

Occasional13 obs.

Larus smithsonianus

American Herring Gull

Occasional13 obs.

Buteo jamaicensis

Red-tailed Hawk

Occasional12 obs.

Melospiza melodia

Song Sparrow

Occasional12 obs.

Anaxyrus fowleri

fowler's toad

Occasional12 obs.

Cygnus columbianus

whistling swan

Occasional12 obs.

Haemorhous mexicanus

House Finch

Rare11 obs.

Cathartes aura

Turkey Vulture

Rare11 obs.

Acris blanchardi

Blanchard's Cricket Frog

Rare10 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.

Most Common Species

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

Want the Complete Field Guide?

‌
‌

‌

Get Your Personalized Field Guide

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

Email Address (for delivery)

Your field guide will be delivered to this email address. Please double-check for accuracy.

$6.99

Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 8 nearby locations in St. Charles County County, Missouri

Nearby Natural Areas

O'Fallon

Importance: 0.42

6 species

+1567% vs. current

Wentzville

Importance: 0.41

45 species

+122% vs. current

St. Peters

Importance: 0.41

30 species

+233% vs. current

St. Charles

Importance: 0.38

14 species

+614% vs. current

Lake Number 35

Importance: 0.35

11 species

+809% vs. current

August A Busch Lake Number 16

Importance: 0.35

7 species

+1329% vs. current

Busch Area Lake Number 570

Importance: 0.35

3 species

+3233% vs. current

Lake St. Louis

Importance: 0.33

4 species

+2400% 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 St. Charles County County.

Regional Comparison

‌

Regional Ranking

‌

Species Count

‌

vs. Regional Average

‌

Nearby Natural Areas

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

About This Comparison

‌
‌
‌

Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 8 nearby locations in St. Charles County County, Missouri

Nearby Natural Areas

O'Fallon

Importance: 0.42

6 species

+1567% vs. current

Wentzville

Importance: 0.41

45 species

+122% vs. current

St. Peters

Importance: 0.41

30 species

+233% vs. current

St. Charles

Importance: 0.38

14 species

+614% vs. current

Lake Number 35

Importance: 0.35

11 species

+809% vs. current

August A Busch Lake Number 16

Importance: 0.35

7 species

+1329% vs. current

Busch Area Lake Number 570

Importance: 0.35

3 species

+3233% vs. current

Lake St. Louis

Importance: 0.33

4 species

+2400% 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 14 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 14 locations

86th percentile for diversity

vs. O'Fallon

+1567% species diversity

Blanchard's Cricket Frog

Rare10 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.