Saint Charles Bay

Ecosystem Overview

The Saint Charles Bay ecosystem supports 32 documented wildlife species across 29 taxonomic genera. Located in Aransas County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 7 frequently observed species and 6 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Rockport nearby has 68% more documented species, Saint Charles Bay offers unique wildlife observation opportunities. This location ranks #6 for species diversity among 8 Aransas County County natural areas, placing it in the 25th 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 8 locations

Species Distribution

Very Common7 species

Common10 species

Occasional9 species

Rare6 species

Regional Context

Regional Ranking

#6 of 8 locations

25th percentile for diversity

vs. Rockport

-68% 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 32 total documented species.

Pelecanus erythrorhynchos

American White Pelican

Very Common10 obs.

Leucophaeus atricilla

Laughing Gull

Very Common6 obs.

Ardea herodias

Great Blue Heron

Very Common6 obs.

Pandion haliaetus

osprey

Very Common5 obs.

Lagodon rhomboides

Porgy

Very Common4 obs.

Ariopsis felis

Sea catfish

Common4 obs.

Elops saurus

Northern Ladyfish

Common4 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common4 obs.

Arenaria interpres

ruddy turnstone

Common3 obs.

Anas acuta

pintail, northern pintail

Common3 obs.

Tringa semipalmata

Willet

Common3 obs.

Bairdiella chrysoura

Silver perch

Occasional2 obs.

Fulica americana

American Coot

Occasional2 obs.

Actitis macularius

spotted sandpiper

Occasional2 obs.

Larus smithsonianus

American Herring Gull

Occasional2 obs.

Ardea alba

Great Egret

Occasional2 obs.

Pachodynerus erynnis

Occasional1 obs.

Callinectes sapidus

blue swimming crab

Rare1 obs.

Sesarma reticulatum

purple marsh crab

Rare1 obs.

Crassostrea virginica

American oyster

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 Saint Charles Bay. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-46%

vs. Regional Average

Compared to 7 nearby locations in Aransas County County, Texas

Nearby Natural Areas

Rockport

Importance: 0.39

100 species

-68% vs. current

Aransas Bay

Importance: 0.35

53 species

-40% vs. current

Long Lake

Importance: 0.35

2 species

+1500% vs. current

Mustang Lake

Importance: 0.35

2 species

+1500% vs. current

Goose Island

Importance: 0.33

59 species

-46% vs. current

Port Aransas

Importance: 0.31

100 species

-68% vs. current

Aransas County

Importance: 0.31

100 species

-68% 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 Aransas 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

-46%

vs. Regional Average

Compared to 7 nearby locations in Aransas County County, Texas

Nearby Natural Areas

Rockport

Importance: 0.39

100 species

-68% vs. current

Aransas Bay

Importance: 0.35

53 species

-40% vs. current

Long Lake

Importance: 0.35

2 species

+1500% vs. current

Mustang Lake

Importance: 0.35

2 species

+1500% vs. current

Goose Island

Importance: 0.33

59 species

-46% vs. current

Port Aransas

Importance: 0.31

100 species

-68% vs. current

Aransas County

Importance: 0.31

100 species

-68% 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 8 locations

Species Distribution

Very Common7 species

Common10 species

Occasional9 species

Rare6 species

Regional Context

Regional Ranking

#6 of 8 locations

25th percentile for diversity

vs. Rockport

-68% species diversity

Most Common Species

Showing 20 most frequently observed species out of 32 total documented species.

Pelecanus erythrorhynchos

American White Pelican

Very Common10 obs.

Leucophaeus atricilla

Laughing Gull

Very Common6 obs.

Ardea herodias

Great Blue Heron

Very Common6 obs.

Pandion haliaetus

osprey

Very Common5 obs.

Lagodon rhomboides

Porgy

Very Common4 obs.

Ariopsis felis

Sea catfish

Common4 obs.

Elops saurus

Northern Ladyfish

Common4 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common4 obs.

Arenaria interpres

ruddy turnstone

Common3 obs.

Anas acuta

pintail, northern pintail

Common3 obs.

Tringa semipalmata

Willet

Common3 obs.

Bairdiella chrysoura

Silver perch

Occasional2 obs.

Fulica americana

American Coot

Occasional2 obs.

Actitis macularius

spotted sandpiper

Occasional2 obs.

Larus smithsonianus

American Herring Gull

Occasional2 obs.

Ardea alba

Great Egret

Occasional2 obs.

Pachodynerus erynnis

Occasional1 obs.

Callinectes sapidus

blue swimming crab

Rare1 obs.

Sesarma reticulatum

purple marsh crab

Rare1 obs.

Crassostrea virginica

American oyster

Rare1 obs.

Want the Complete Field Guide?

Get all 32 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.