Tuolumne County

Ecosystem Overview

The Tuolumne County ecosystem supports 100 documented wildlife species across 85 taxonomic genera. Located in Tuolumne County, California, 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. Compared to nearby Sonora, Tuolumne County hosts 270% more species diversity. This location ranks #1 for species diversity among 27 Tuolumne County County natural areas, placing it in the 96th 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 27 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 27 locations

96th percentile for diversity

vs. Sonora

+270% 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.

Ochotona princeps

American pika

Very Common68 obs.

Pseudacris regilla

Pacific chorus frog

Very Common51 obs.

Pinus sabiniana

Bull Pine

Very Common42 obs.

Odocoileus hemionus

mule deer

Very Common38 obs.

Quercus kelloggii

California black oak

Very Common35 obs.

Urocitellus beldingi

Belding's Ground Squirrel

Common34 obs.

Marmota flaviventris

Yellow-bellied Marmot

Common34 obs.

Calochortus leichtlinii

Common31 obs.

Calocedrus decurrens

Bastard Cedar

Common30 obs.

Callospermophilus lateralis

Golden Mantled Ground Squirrel

Common27 obs.

Ribes roezlii

Sierra gooseberry

Common25 obs.

Junco hyemalis

dark-eyed junco

Occasional25 obs.

Penstemon newberryi

Newberry's penstemon

Occasional24 obs.

Streptanthus tortuosus

Occasional24 obs.

Setophaga coronata

Myrtle Warbler

Occasional22 obs.

Sequoiadendron giganteum

giant sequoia

Occasional22 obs.

Quercus chrysolepis

canyon live oak

Occasional19 obs.

Chamaebatia foliolosa

mountain misery

Rare19 obs.

Veratrum californicum

California false hellebore

Rare19 obs.

Nucifraga columbiana

Clark's Nutcracker

Rare18 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 Tuolumne County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+1329%

vs. Regional Average

Compared to 8 nearby locations in Tuolumne County County, California

Nearby Natural Areas

Sonora

Importance: 0.37

27 species

+270% vs. current

Jamestown

Importance: 0.35

4 species

+2400% vs. current

Middle Gaylor Lake

Importance: 0.35

15 species

+567% vs. current

Summit Lake

Importance: 0.35

3 species

+3233% vs. current

Lower Gaylor Lake

Importance: 0.35

3 species

+3233% vs. current

Siesta Lake

Importance: 0.35

2 species

+4900% vs. current

Dog Lake

Importance: 0.35

2 species

+4900% vs. current

Blue Canyon Lake

Importance: 0.35

2 species

+4900% 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 Tuolumne 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

+1329%

vs. Regional Average

Compared to 8 nearby locations in Tuolumne County County, California

Nearby Natural Areas

Sonora

Importance: 0.37

27 species

+270% vs. current

Jamestown

Importance: 0.35

4 species

+2400% vs. current

Middle Gaylor Lake

Importance: 0.35

15 species

+567% vs. current

Summit Lake

Importance: 0.35

3 species

+3233% vs. current

Lower Gaylor Lake

Importance: 0.35

3 species

+3233% vs. current

Siesta Lake

Importance: 0.35

2 species

+4900% vs. current

Dog Lake

Importance: 0.35

2 species

+4900% vs. current

Blue Canyon Lake

Importance: 0.35

2 species

+4900% 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 27 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 27 locations

96th percentile for diversity

vs. Sonora

+270% species diversity

Most Common Species

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

Ochotona princeps

American pika

Very Common68 obs.

Pseudacris regilla

Pacific chorus frog

Very Common51 obs.

Pinus sabiniana

Bull Pine

Very Common42 obs.

Odocoileus hemionus

mule deer

Very Common38 obs.

Quercus kelloggii

California black oak

Very Common35 obs.

Urocitellus beldingi

Belding's Ground Squirrel

Common34 obs.

Marmota flaviventris

Yellow-bellied Marmot

Common34 obs.

Calochortus leichtlinii

Common31 obs.

Calocedrus decurrens

Bastard Cedar

Common30 obs.

Callospermophilus lateralis

Golden Mantled Ground Squirrel

Common27 obs.

Ribes roezlii

Sierra gooseberry

Common25 obs.

Junco hyemalis

dark-eyed junco

Occasional25 obs.

Penstemon newberryi

Newberry's penstemon

Occasional24 obs.

Streptanthus tortuosus

Occasional24 obs.

Setophaga coronata

Myrtle Warbler

Occasional22 obs.

Sequoiadendron giganteum

giant sequoia

Occasional22 obs.

Quercus chrysolepis

canyon live oak

Occasional19 obs.

Chamaebatia foliolosa

mountain misery

Rare19 obs.

Veratrum californicum

California false hellebore

Rare19 obs.

Nucifraga columbiana

Clark's Nutcracker

Rare18 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.