Harrison County

Ecosystem Overview

The Harrison County ecosystem supports 100 documented wildlife species across 96 taxonomic genera. Located in Harrison County, Texas, 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 Marshall, Harrison County hosts 335% more species diversity. This location ranks #1 for species diversity among 6 Harrison County County natural areas, placing it in the 83th 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 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Marshall

+335% 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 100 total documented species.

Acris blanchardi

Blanchard's Cricket Frog

Very Common12 obs.

Elophila obliteralis

Waterlily Leafcutter Moth

Very Common11 obs.

Erythemis simplicicollis

Eastern Pondhawk

Very Common11 obs.

Setophaga pinus

Pine Warbler

Very Common10 obs.

Stereum complicatum

Crowded Parchment

Very Common9 obs.

Sciurus carolinensis

Grey squirrel

Common9 obs.

Melanerpes erythrocephalus

Red-headed Woodpecker

Common9 obs.

Lampropeltis holbrooki

Speckled Kingsnake

Common9 obs.

Eutrapela clemataria

Curved-Toothed Geometer

Common9 obs.

Pleopeltis michauxiana

Common8 obs.

Callicarpa americana

French-mulberry

Common8 obs.

Mitchella repens

Squawvine

Occasional8 obs.

Baeolophus bicolor

tufted titmouse

Occasional8 obs.

Agkistrodon piscivorus

Cottonmouth

Occasional8 obs.

Polystichum acrostichoides

dagger fern

Occasional8 obs.

Dryocopus pileatus

Pileated Woodpecker

Occasional7 obs.

Sabal minor

bush palmetto

Occasional7 obs.

Taxodium distichum

bald-cypress

Rare7 obs.

Passerina cyanea

Indigo Bunting

Rare7 obs.

Draeculacephala inscripta

Rare7 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 Harrison County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 5 nearby locations in Harrison County County, Texas

Nearby Natural Areas

Marshall

Importance: 0.46

23 species

+335% vs. current

Saw Mill Pond

Importance: 0.35

19 species

+426% vs. current

Brandy Branch Reservoir

Importance: 0.35

1 species

+9900% vs. current

Hallsville

Importance: 0.28

1 species

+9900% vs. current

Uncertain

Importance: 0.26

29 species

+245% 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 Harrison 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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Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 5 nearby locations in Harrison County County, Texas

Nearby Natural Areas

Marshall

Importance: 0.46

23 species

+335% vs. current

Saw Mill Pond

Importance: 0.35

19 species

+426% vs. current

Brandy Branch Reservoir

Importance: 0.35

1 species

+9900% vs. current

Hallsville

Importance: 0.28

1 species

+9900% vs. current

Uncertain

Importance: 0.26

29 species

+245% 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 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Marshall

+335% species diversity

Most Common Species

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

Acris blanchardi

Blanchard's Cricket Frog

Very Common12 obs.

Elophila obliteralis

Waterlily Leafcutter Moth

Very Common11 obs.

Erythemis simplicicollis

Eastern Pondhawk

Very Common11 obs.

Setophaga pinus

Pine Warbler

Very Common10 obs.

Stereum complicatum

Crowded Parchment

Very Common9 obs.

Sciurus carolinensis

Grey squirrel

Common9 obs.

Melanerpes erythrocephalus

Red-headed Woodpecker

Common9 obs.

Lampropeltis holbrooki

Speckled Kingsnake

Common9 obs.

Eutrapela clemataria

Curved-Toothed Geometer

Common9 obs.

Pleopeltis michauxiana

Common8 obs.

Callicarpa americana

French-mulberry

Common8 obs.

Mitchella repens

Squawvine

Occasional8 obs.

Baeolophus bicolor

tufted titmouse

Occasional8 obs.

Agkistrodon piscivorus

Cottonmouth

Occasional8 obs.

Polystichum acrostichoides

dagger fern

Occasional8 obs.

Dryocopus pileatus

Pileated Woodpecker

Occasional7 obs.

Sabal minor

bush palmetto

Occasional7 obs.

Taxodium distichum

bald-cypress

Rare7 obs.

Passerina cyanea

Indigo Bunting

Rare7 obs.

Draeculacephala inscripta

Rare7 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.