Twin Mountains

Ecosystem Overview

The Twin Mountains ecosystem supports 48 documented wildlife species across 44 taxonomic genera. Located in Young County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 10 frequently observed species and 9 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Young County nearby has 35% more documented species, Twin Mountains offers unique wildlife observation opportunities. This location ranks #16 for species diversity among 100 Young County County natural areas, placing it in the 84th 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

#16

Regional Rank

Out of 100 locations

Species Distribution

Very Common10 species

Common15 species

Occasional14 species

Rare9 species

Regional Context

Regional Ranking

#16 of 100 locations

84th percentile for diversity

vs. Young County

-35% 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 48 total documented species.

Sciurus niger

Cat Squirrel

Very Common1.01 obs.

Plathemis lydia

Common Whitetail

Very Common0.75 obs.

Ictalurus furcatus

Blue Catfish

Very Common0.56 obs.

Nandina domestica

Sacred Bamboo

Very Common0.51 obs.

Pomoxis nigromaculatus

Shiner

Very Common0.44 obs.

Spinus tristis

American Goldfinch

Common0.41 obs.

Turdus migratorius

American Robin

Common0.4 obs.

Solanum elaeagnifolium

Silverleaf Nightshade

Common0.39 obs.

Medicago lupulina

Nonesuch

Common0.39 obs.

Erodium cicutarium

Alfilaria

Common0.39 obs.

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Common0.38 obs.

Tragopogon dubius

Salsify

Occasional0.38 obs.

Verbena halei

Texas Vervain

Occasional0.38 obs.

Cicindela trifasciata

Mudflat Tiger Beetle

Occasional0.38 obs.

Medicago arabica

Burclover

Occasional0.38 obs.

Desmanthus illinoensis

Illinois Bundle-Flower

Occasional0.38 obs.

Erigeron canadensis

Foxtail

Occasional0.38 obs.

Orthemis ferruginea

Roseate Skimmer

Rare0.38 obs.

Ischnura hastata

Citrine Forktail

Rare0.38 obs.

Lestes australis

Southern Spreadwing

Rare0.38 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

+23%

vs. Regional Average

Compared to 8 nearby locations in Young County County, Texas

Nearby Natural Areas

Young County

Importance: 0.80

74 species

-35% vs. current

Graham

Importance: 0.70

78 species

-38% vs. current

Newcastle

Importance: 0.70

12 species

+300% vs. current

Olney

Importance: 0.70

6 species

+700% vs. current

Graham

Importance: 0.60

48 species

0% vs. current

Graham Municipal Airport

in Graham

Importance: 0.60

40 species

+20% vs. current

Olney

Importance: 0.60

5 species

+860% vs. current

Pioneer Cemetery

Importance: 0.50

48 species

0% 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 Young 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

+23%

vs. Regional Average

Compared to 8 nearby locations in Young County County, Texas

Nearby Natural Areas

Young County

Importance: 0.80

74 species

-35% vs. current

Graham

Importance: 0.70

78 species

-38% vs. current

Newcastle

Importance: 0.70

12 species

+300% vs. current

Olney

Importance: 0.70

6 species

+700% vs. current

Graham

Importance: 0.60

48 species

0% vs. current

Graham Municipal Airport

in Graham

Importance: 0.60

40 species

+20% vs. current

Olney

Importance: 0.60

5 species

+860% vs. current

Pioneer Cemetery

Importance: 0.50

48 species

0% 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

#16

Regional Rank

Out of 100 locations

Species Distribution

Very Common10 species

Common15 species

Occasional14 species

Rare9 species

Regional Context

Regional Ranking

#16 of 100 locations

84th percentile for diversity

vs. Young County

-35% species diversity

Most Common Species

Showing 20 most frequently observed species out of 48 total documented species.

Sciurus niger

Cat Squirrel

Very Common1.01 obs.

Plathemis lydia

Common Whitetail

Very Common0.75 obs.

Ictalurus furcatus

Blue Catfish

Very Common0.56 obs.

Nandina domestica

Sacred Bamboo

Very Common0.51 obs.

Pomoxis nigromaculatus

Shiner

Very Common0.44 obs.

Spinus tristis

American Goldfinch

Common0.41 obs.

Turdus migratorius

American Robin

Common0.4 obs.

Solanum elaeagnifolium

Silverleaf Nightshade

Common0.39 obs.

Medicago lupulina

Nonesuch

Common0.39 obs.

Erodium cicutarium

Alfilaria

Common0.39 obs.

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Common0.38 obs.

Tragopogon dubius

Salsify

Occasional0.38 obs.

Verbena halei

Texas Vervain

Occasional0.38 obs.

Cicindela trifasciata

Mudflat Tiger Beetle

Occasional0.38 obs.

Medicago arabica

Burclover

Occasional0.38 obs.

Desmanthus illinoensis

Illinois Bundle-Flower

Occasional0.38 obs.

Erigeron canadensis

Foxtail

Occasional0.38 obs.

Orthemis ferruginea

Roseate Skimmer

Rare0.38 obs.

Ischnura hastata

Citrine Forktail

Rare0.38 obs.

Lestes australis

Southern Spreadwing

Rare0.38 obs.

Want the Complete Field Guide?

Get all 48 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.