Pearsall

Ecosystem Overview

The Pearsall ecosystem supports 17 documented wildlife species across 16 taxonomic genera. Located in Frio County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 4 frequently observed species and 3 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Thompson Lake, Pearsall hosts 0% more species diversity. This location ranks #2 for species diversity among 3 Frio County County natural areas, placing it in the 33th 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 3 locations

Species Distribution

Very Common4 species

Common5 species

Occasional5 species

Rare3 species

Regional Context

Regional Ranking

#2 of 3 locations

33th percentile for diversity

vs. Thompson Lake

+0% 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 17 total documented species.

Cenchrus ciliaris

Buffelgrass

Very Common3 obs.

Dichanthium annulatum

Very Common2 obs.

Euphorbia prostrata

prostrate sandmat

Very Common2 obs.

Amaranthus palmeri

Dioecious Amaranth

Very Common2 obs.

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Very Common1 obs.

Molothrus aeneus

Bronzed Cowbird

Common1 obs.

Solanum elaeagnifolium

Silverleaf nightshade

Common1 obs.

Euphorbia serpens

Matted Sandmat

Common1 obs.

Thelesperma burridgeanum

Common1 obs.

Coreopsis nuecensis

Common1 obs.

Tridax procumbens

Coatbuttons

Common1 obs.

Asclepias oenotheroides

side-cluster milkweed

Occasional1 obs.

Phyla nodiflora

Turkey tangle fogfruit

Occasional1 obs.

Tephrosia lindheimeri

Occasional1 obs.

Parkinsonia aculeata

Jerusalem thorn

Occasional1 obs.

Engelmannia peristenia

Engelmann's daisy

Occasional1 obs.

Quiscalus mexicanus

Great-tailed Grackle

Occasional1 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 Pearsall. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-68%

vs. Regional Average

Compared to 2 nearby locations in Frio County County, Texas

Nearby Natural Areas

Frio County

Importance: 0.30

100 species

-83% vs. current

Dilley

Importance: 0.26

6 species

+183% 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 Frio 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

-68%

vs. Regional Average

Compared to 2 nearby locations in Frio County County, Texas

Nearby Natural Areas

Frio County

Importance: 0.30

100 species

-83% vs. current

Dilley

Importance: 0.26

6 species

+183% 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 3 locations

Species Distribution

Very Common4 species

Common5 species

Occasional5 species

Rare3 species

Regional Context

Regional Ranking

#2 of 3 locations

33th percentile for diversity

vs. Thompson Lake

+0% species diversity

Most Common Species

Showing 20 most frequently observed species out of 17 total documented species.

Cenchrus ciliaris

Buffelgrass

Very Common3 obs.

Dichanthium annulatum

Very Common2 obs.

Euphorbia prostrata

prostrate sandmat

Very Common2 obs.

Amaranthus palmeri

Dioecious Amaranth

Very Common2 obs.

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Very Common1 obs.

Molothrus aeneus

Bronzed Cowbird

Common1 obs.

Solanum elaeagnifolium

Silverleaf nightshade

Common1 obs.

Euphorbia serpens

Matted Sandmat

Common1 obs.

Thelesperma burridgeanum

Common1 obs.

Coreopsis nuecensis

Common1 obs.

Tridax procumbens

Coatbuttons

Common1 obs.

Asclepias oenotheroides

side-cluster milkweed

Occasional1 obs.

Phyla nodiflora

Turkey tangle fogfruit

Occasional1 obs.

Tephrosia lindheimeri

Occasional1 obs.

Parkinsonia aculeata

Jerusalem thorn

Occasional1 obs.

Engelmannia peristenia

Engelmann's daisy

Occasional1 obs.

Quiscalus mexicanus

Great-tailed Grackle

Occasional1 obs.

Want the Complete Field Guide?

Get all 17 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.