O C Fisher Lake

Ecosystem Overview

The O C Fisher Lake ecosystem supports 23 documented wildlife species across 23 taxonomic genera. Located in Tom Green County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 5 frequently observed species and 4 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San Angelo nearby has 77% more documented species, O C Fisher Lake offers unique wildlife observation opportunities. This location ranks #3 for species diversity among 4 Tom Green 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 4 locations

Species Distribution

Very Common5 species

Common7 species

Occasional7 species

Rare4 species

Regional Context

Regional Ranking

#3 of 4 locations

25th percentile for diversity

vs. San Angelo

-77% 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 23 total documented species.

Progne subis

Purple/Southern Martin

Very Common2 obs.

Himantopus mexicanus

Black-necked Stilt

Very Common2 obs.

Cicindela punctulata

Punctured Tiger Beetle

Very Common1 obs.

Ischnura ramburii

Rambur's Forktail

Very Common1 obs.

Clastoptera xanthocephala

Very Common1 obs.

Penestragania robusta

Leafhopper

Common1 obs.

Sassacus papenhoei

Common1 obs.

Fulica americana

American Coot

Common1 obs.

Recurvirostra americana

American avocet

Common1 obs.

Charadrius vociferus

Killdeer

Common1 obs.

Calidris minutilla

least sandpiper

Common1 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Occasional1 obs.

Anthus rubescens

Buff-bellied Pipit

Occasional1 obs.

Spizella pallida

Clay-Coloured Sparrow

Occasional1 obs.

Xanthium strumarium

rough cocklebur

Occasional1 obs.

Batyle suturalis

Occasional1 obs.

Euodynerus annulatus

Occasional1 obs.

Enallagma civile

Familiar Bluet

Rare1 obs.

Pelecanus erythrorhynchos

American White Pelican

Rare1 obs.

Phalaropus tricolor

wilson’s phalarope

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 O C Fisher Lake. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Download a professional PDF field guide featuring all the species found in O C Fisher Lake. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-66%

vs. Regional Average

Compared to 3 nearby locations in Tom Green County County, Texas

Nearby Natural Areas

San Angelo

Importance: 0.50

100 species

-77% vs. current

Johnson Reservoir

Importance: 0.35

3 species

+667% vs. current

Tom Green County

Importance: 0.33

100 species

-77% 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 Tom Green 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

-66%

vs. Regional Average

Compared to 3 nearby locations in Tom Green County County, Texas

Nearby Natural Areas

San Angelo

Importance: 0.50

100 species

-77% vs. current

Johnson Reservoir

Importance: 0.35

3 species

+667% vs. current

Tom Green County

Importance: 0.33

100 species

-77% 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 4 locations

Species Distribution

Very Common5 species

Common7 species

Occasional7 species

Rare4 species

Regional Context

Regional Ranking

#3 of 4 locations

25th percentile for diversity

vs. San Angelo

-77% species diversity

Most Common Species

Showing 20 most frequently observed species out of 23 total documented species.

Progne subis

Purple/Southern Martin

Very Common2 obs.

Himantopus mexicanus

Black-necked Stilt

Very Common2 obs.

Cicindela punctulata

Punctured Tiger Beetle

Very Common1 obs.

Ischnura ramburii

Rambur's Forktail

Very Common1 obs.

Clastoptera xanthocephala

Very Common1 obs.

Penestragania robusta

Leafhopper

Common1 obs.

Sassacus papenhoei

Common1 obs.

Fulica americana

American Coot

Common1 obs.

Recurvirostra americana

American avocet

Common1 obs.

Charadrius vociferus

Killdeer

Common1 obs.

Calidris minutilla

least sandpiper

Common1 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Occasional1 obs.

Anthus rubescens

Buff-bellied Pipit

Occasional1 obs.

Spizella pallida

Clay-Coloured Sparrow

Occasional1 obs.

Xanthium strumarium

rough cocklebur

Occasional1 obs.

Batyle suturalis

Occasional1 obs.

Euodynerus annulatus

Occasional1 obs.

Enallagma civile

Familiar Bluet

Rare1 obs.

Pelecanus erythrorhynchos

American White Pelican

Rare1 obs.

Phalaropus tricolor

wilson’s phalarope

Rare1 obs.

Want the Complete Field Guide?

Get all 23 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.