Williamson County

Ecosystem Overview

The Williamson County ecosystem supports 100 documented wildlife species across 95 taxonomic genera. Located in Williamson 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. This location ranks #2 for species diversity among 11 Williamson County County natural areas, placing it in the 82th 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 11 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 11 locations

82th percentile for diversity

vs. Georgetown

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 100 total documented species.

Asclepias oenotheroides

side-cluster milkweed

Very Common82 obs.

Cardinalis cardinalis

Northern Cardinal

Very Common71 obs.

Anemone berlandieri

Ten-petal anemone

Very Common63 obs.

Apis mellifera

Western Honey Bee

Very Common60 obs.

Lupinus texensis

Texas bluebonnet

Very Common57 obs.

Calyptocarpus vialis

straggler daisy

Common56 obs.

Quiscalus mexicanus

Great-tailed Grackle

Common55 obs.

Spinus psaltria

lesser goldfinch

Common54 obs.

Mimus polyglottos

Northern Mockingbird

Common52 obs.

Nyctanassa violacea

Yellow-Crowned Night Heron

Common48 obs.

Ardea alba

Great Egret

Common48 obs.

Thryothorus ludovicianus

Carolina Wren

Occasional47 obs.

Oenothera speciosa

white evening-primrose

Occasional47 obs.

Anolis carolinensis

Green anole

Occasional45 obs.

Incilius nebulifer

Coastal Plain Toad

Occasional44 obs.

Erythemis simplicicollis

Eastern Pondhawk

Occasional44 obs.

Zenaida asiatica

White-winged Dove

Occasional44 obs.

Asclepias asperula

antelope horns

Rare43 obs.

Libellula luctuosa

Widow Skimmer

Rare43 obs.

Odocoileus virginianus

Key Deer

Rare41 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 Williamson County. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+223%

vs. Regional Average

Compared to 8 nearby locations in Williamson County County, Texas

Nearby Natural Areas

Georgetown

Importance: 0.43

100 species

0% vs. current

Taylor

Importance: 0.35

71 species

+41% vs. current

Lake Georgetown

Importance: 0.35

29 species

+245% vs. current

Block House Lake

Importance: 0.35

7 species

+1329% vs. current

Soil Conservation Service Site 14 Reservoir

Importance: 0.35

5 species

+1900% vs. current

Mason Creek Lake

Importance: 0.35

4 species

+2400% vs. current

Ganzert Lake

Importance: 0.35

2 species

+4900% vs. current

Hutto

Importance: 0.33

33 species

+203% 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 Williamson 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

100

Species Count

+223%

vs. Regional Average

Compared to 8 nearby locations in Williamson County County, Texas

Nearby Natural Areas

Georgetown

Importance: 0.43

100 species

0% vs. current

Taylor

Importance: 0.35

71 species

+41% vs. current

Lake Georgetown

Importance: 0.35

29 species

+245% vs. current

Block House Lake

Importance: 0.35

7 species

+1329% vs. current

Soil Conservation Service Site 14 Reservoir

Importance: 0.35

5 species

+1900% vs. current

Mason Creek Lake

Importance: 0.35

4 species

+2400% vs. current

Ganzert Lake

Importance: 0.35

2 species

+4900% vs. current

Hutto

Importance: 0.33

33 species

+203% 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 11 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 11 locations

82th percentile for diversity

vs. Georgetown

0% species diversity

Most Common Species

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

Asclepias oenotheroides

side-cluster milkweed

Very Common82 obs.

Cardinalis cardinalis

Northern Cardinal

Very Common71 obs.

Anemone berlandieri

Ten-petal anemone

Very Common63 obs.

Apis mellifera

Western Honey Bee

Very Common60 obs.

Lupinus texensis

Texas bluebonnet

Very Common57 obs.

Calyptocarpus vialis

straggler daisy

Common56 obs.

Quiscalus mexicanus

Great-tailed Grackle

Common55 obs.

Spinus psaltria

lesser goldfinch

Common54 obs.

Mimus polyglottos

Northern Mockingbird

Common52 obs.

Nyctanassa violacea

Yellow-Crowned Night Heron

Common48 obs.

Ardea alba

Great Egret

Common48 obs.

Thryothorus ludovicianus

Carolina Wren

Occasional47 obs.

Oenothera speciosa

white evening-primrose

Occasional47 obs.

Anolis carolinensis

Green anole

Occasional45 obs.

Incilius nebulifer

Coastal Plain Toad

Occasional44 obs.

Erythemis simplicicollis

Eastern Pondhawk

Occasional44 obs.

Zenaida asiatica

White-winged Dove

Occasional44 obs.

Asclepias asperula

antelope horns

Rare43 obs.

Libellula luctuosa

Widow Skimmer

Rare43 obs.

Odocoileus virginianus

Key Deer

Rare41 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.