Trinity River

Ecosystem Overview

The Trinity River ecosystem supports 55 documented wildlife species across 50 taxonomic genera. Located in Texas, this area provides critical habitat for regional wildlife. The location hosts 12 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Texas nearby has 45% more documented species, Trinity River offers unique wildlife observation opportunities. This location ranks #452 for species diversity among 1361 Texas 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

#452

Regional Rank

Out of 1361 locations

Species Distribution

Very Common12 species

Common16 species

Occasional17 species

Rare10 species

Regional Context

Regional Ranking

#452 of 1361 locations

67th percentile for diversity

vs. Texas

-45% 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 55 total documented species.

Anas platyrhynchos

mallard

Very Common6 obs.

Aythya collaris

Ring-necked Duck

Very Common6 obs.

Ardea alba

Great Egret

Very Common5 obs.

Podilymbus podiceps

Pied-billed grebe

Very Common4 obs.

Ardea herodias

Great Blue Heron

Very Common4 obs.

Mareca americana

American Wigeon

Common3 obs.

Argia sedula

Blue-ringed Dancer

Common3 obs.

Aythya affinis

Lesser Scaup

Common3 obs.

Argia translata

Dusky Dancer

Common2 obs.

Myocastor coypus

Coypu, Nutria

Common2 obs.

Hibiscus laevis

scarlet rose-mallow

Common2 obs.

Aix sponsa

wood duck

Occasional2 obs.

Perithemis tenera

Eastern Amberwing

Occasional2 obs.

Argia moesta

Powdered Dancer

Occasional2 obs.

Danaus plexippus

monarch

Occasional2 obs.

Fundulus notatus

Blackstripe topminnow

Occasional2 obs.

Pseudemys texana

Texas River Cooter

Occasional2 obs.

Mareca strepera

Gadwall

Rare2 obs.

Sphex ichneumoneus

Great Golden Digger Wasp

Rare1 obs.

Apis mellifera

Western Honey Bee

Rare1 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 Trinity River. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-44%

vs. Regional Average

Compared to 8 nearby locations in Texas

Nearby Natural Areas

Texas

Importance: 0.79

100 species

-45% vs. current

Houston

Importance: 0.69

100 species

-45% vs. current

Austin

Importance: 0.64

100 species

-45% vs. current

San Antonio

Importance: 0.58

100 species

-45% vs. current

Fort Worth

Importance: 0.57

100 species

-45% vs. current

Lubbock

Importance: 0.56

100 species

-45% vs. current

El Paso City

Importance: 0.56

100 species

-45% vs. current

Amarillo

Importance: 0.56

86 species

-36% 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 Texas.

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

-44%

vs. Regional Average

Compared to 8 nearby locations in Texas

Nearby Natural Areas

Texas

Importance: 0.79

100 species

-45% vs. current

Houston

Importance: 0.69

100 species

-45% vs. current

Austin

Importance: 0.64

100 species

-45% vs. current

San Antonio

Importance: 0.58

100 species

-45% vs. current

Fort Worth

Importance: 0.57

100 species

-45% vs. current

Lubbock

Importance: 0.56

100 species

-45% vs. current

El Paso City

Importance: 0.56

100 species

-45% vs. current

Amarillo

Importance: 0.56

86 species

-36% 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

#452

Regional Rank

Out of 1361 locations

Species Distribution

Very Common12 species

Common16 species

Occasional17 species

Rare10 species

Regional Context

Regional Ranking

#452 of 1361 locations

67th percentile for diversity

vs. Texas

-45% species diversity

Most Common Species

Showing 20 most frequently observed species out of 55 total documented species.

Anas platyrhynchos

mallard

Very Common6 obs.

Aythya collaris

Ring-necked Duck

Very Common6 obs.

Ardea alba

Great Egret

Very Common5 obs.

Podilymbus podiceps

Pied-billed grebe

Very Common4 obs.

Ardea herodias

Great Blue Heron

Very Common4 obs.

Mareca americana

American Wigeon

Common3 obs.

Argia sedula

Blue-ringed Dancer

Common3 obs.

Aythya affinis

Lesser Scaup

Common3 obs.

Argia translata

Dusky Dancer

Common2 obs.

Myocastor coypus

Coypu, Nutria

Common2 obs.

Hibiscus laevis

scarlet rose-mallow

Common2 obs.

Aix sponsa

wood duck

Occasional2 obs.

Perithemis tenera

Eastern Amberwing

Occasional2 obs.

Argia moesta

Powdered Dancer

Occasional2 obs.

Danaus plexippus

monarch

Occasional2 obs.

Fundulus notatus

Blackstripe topminnow

Occasional2 obs.

Pseudemys texana

Texas River Cooter

Occasional2 obs.

Mareca strepera

Gadwall

Rare2 obs.

Sphex ichneumoneus

Great Golden Digger Wasp

Rare1 obs.

Apis mellifera

Western Honey Bee

Rare1 obs.

Want the Complete Field Guide?

Get all 55 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.