Dixie Range

Ecosystem Overview

The Dixie Range ecosystem supports 35 documented wildlife species across 35 taxonomic genera. Located in McMullen County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 8 frequently observed species and 6 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While McMullen County nearby has 55% more documented species, Dixie Range offers unique wildlife observation opportunities. This location ranks #21 for species diversity among 49 McMullen County County natural areas, placing it in the 57th 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

#21

Regional Rank

Out of 49 locations

Species Distribution

Very Common8 species

Common10 species

Occasional11 species

Rare6 species

Regional Context

Regional Ranking

#21 of 49 locations

57th percentile for diversity

vs. McMullen County

-55% 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 35 total documented species.

Gastrophryne olivacea

Western Narrow-Mouthed Toad

Very Common0.31 obs.

Justicia pilosella

Very Common0.28 obs.

Croton dioicus

Rosval

Very Common0.28 obs.

Passiflora tenuiloba

Very Common0.27 obs.

Parkinsonia aculeata

Jerusalem Thorn

Very Common0.24 obs.

Thamnophis marcianus

Checkered Gartersnake

Common0.23 obs.

Vachellia bravoensis

Common0.23 obs.

Incilius nebulifer

Gulf Coast Toad

Common0.23 obs.

Sus scrofa

Pig

Common0.15 obs.

Bubo virginianus

Great Horned Owl

Common0.12 obs.

Pseudacris clarkii

Clark'S Tree Frog

Common0.11 obs.

Crotalus atrox

Western Diamondback Rattlesnake

Occasional0.11 obs.

Icterus bullockii

Bullock'S Oriole

Occasional0.1 obs.

Melanerpes aurifrons

Golden-Fronted Woodpecker

Occasional0.1 obs.

Digitonthophagus gazella

Brown Dung Beetle

Occasional0.06 obs.

Plexippus paykulli

Pantropical Jumper

Occasional0.06 obs.

Rhynchosida physocalyx

Occasional0.06 obs.

Calosoma sayi

Rare0.06 obs.

Carlowrightia texana

Rare0.06 obs.

Diastema tigris

Lantana Moth

Rare0.06 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

-20%

vs. Regional Average

Compared to 8 nearby locations in McMullen County County, Texas

Nearby Natural Areas

McMullen County

Importance: 0.80

78 species

-55% vs. current

McMullen Target Complex

Importance: 0.70

53 species

-34% vs. current

Yankee Range

Importance: 0.70

35 species

0% vs. current

Choke Canyon State Park - Calliham Unit

Importance: 0.60

79 species

-56% vs. current

Calliham

Importance: 0.50

80 species

-56% vs. current

Aero Saylee Airport

Importance: 0.50

11 species

+218% vs. current

Clifton & Nora Wheeler Memorial Park

in Tilden

Importance: 0.50

10 species

+250% vs. current

Tilden

Importance: 0.50

9 species

+289% 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 McMullen 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

-20%

vs. Regional Average

Compared to 8 nearby locations in McMullen County County, Texas

Nearby Natural Areas

McMullen County

Importance: 0.80

78 species

-55% vs. current

McMullen Target Complex

Importance: 0.70

53 species

-34% vs. current

Yankee Range

Importance: 0.70

35 species

0% vs. current

Choke Canyon State Park - Calliham Unit

Importance: 0.60

79 species

-56% vs. current

Calliham

Importance: 0.50

80 species

-56% vs. current

Aero Saylee Airport

Importance: 0.50

11 species

+218% vs. current

Clifton & Nora Wheeler Memorial Park

in Tilden

Importance: 0.50

10 species

+250% vs. current

Tilden

Importance: 0.50

9 species

+289% 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

#21

Regional Rank

Out of 49 locations

Species Distribution

Very Common8 species

Common10 species

Occasional11 species

Rare6 species

Regional Context

Regional Ranking

#21 of 49 locations

57th percentile for diversity

vs. McMullen County

-55% species diversity

Most Common Species

Showing 20 most frequently observed species out of 35 total documented species.

Gastrophryne olivacea

Western Narrow-Mouthed Toad

Very Common0.31 obs.

Justicia pilosella

Very Common0.28 obs.

Croton dioicus

Rosval

Very Common0.28 obs.

Passiflora tenuiloba

Very Common0.27 obs.

Parkinsonia aculeata

Jerusalem Thorn

Very Common0.24 obs.

Thamnophis marcianus

Checkered Gartersnake

Common0.23 obs.

Vachellia bravoensis

Common0.23 obs.

Incilius nebulifer

Gulf Coast Toad

Common0.23 obs.

Sus scrofa

Pig

Common0.15 obs.

Bubo virginianus

Great Horned Owl

Common0.12 obs.

Pseudacris clarkii

Clark'S Tree Frog

Common0.11 obs.

Crotalus atrox

Western Diamondback Rattlesnake

Occasional0.11 obs.

Icterus bullockii

Bullock'S Oriole

Occasional0.1 obs.

Melanerpes aurifrons

Golden-Fronted Woodpecker

Occasional0.1 obs.

Digitonthophagus gazella

Brown Dung Beetle

Occasional0.06 obs.

Plexippus paykulli

Pantropical Jumper

Occasional0.06 obs.

Rhynchosida physocalyx

Occasional0.06 obs.

Calosoma sayi

Rare0.06 obs.

Carlowrightia texana

Rare0.06 obs.

Diastema tigris

Lantana Moth

Rare0.06 obs.

Want the Complete Field Guide?

Get all 35 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.