Tracy

Ecosystem Overview

The Tracy ecosystem supports 35 documented wildlife species across 33 taxonomic genera. Located in San Joaquin County, California, 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 Stockton nearby has 65% more documented species, Tracy offers unique wildlife observation opportunities. This location ranks #6 for species diversity among 15 San Joaquin County County natural areas, placing it in the 60th 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 15 locations

Species Distribution

Very Common8 species

Common10 species

Occasional11 species

Rare6 species

Regional Context

Regional Ranking

#6 of 15 locations

60th percentile for diversity

vs. Stockton

-65% 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.

Zonotrichia leucophrys

white-crowned sparrow

Very Common17 obs.

Setophaga coronata

Myrtle Warbler

Very Common15 obs.

Sialia mexicana

Western Bluebird

Very Common12 obs.

Dryobates nuttallii

Nuttall's Woodpecker

Very Common12 obs.

Haemorhous mexicanus

House Finch

Very Common11 obs.

Zonotrichia atricapilla

Golden-crowned Sparrow

Common10 obs.

Mimus polyglottos

Northern Mockingbird

Common9 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common7 obs.

Calypte anna

Anna's Hummingbird

Common6 obs.

Bombycilla cedrorum

cedar waxwing

Common5 obs.

Colaptes auratus

common flicker

Common4 obs.

Sayornis nigricans

black phoebe

Occasional4 obs.

Catharus guttatus

Hermit Thrush

Occasional4 obs.

Zenaida macroura

Mourning Dove

Occasional4 obs.

Junco hyemalis

dark-eyed junco

Occasional3 obs.

Turdus migratorius

American Robin

Occasional3 obs.

Sturnus vulgaris

starling

Occasional3 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare2 obs.

Cathartes aura

Turkey Vulture

Rare2 obs.

Sayornis saya

Say's phoebe

Rare2 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 Tracy. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-22%

vs. Regional Average

Compared to 8 nearby locations in San Joaquin County County, California

Nearby Natural Areas

Stockton

Importance: 0.51

100 species

-65% vs. current

San Joaquin County

Importance: 0.44

100 species

-65% vs. current

Manteca

Importance: 0.37

2 species

+1650% vs. current

Lodi

Importance: 0.35

86 species

-59% vs. current

Pixey Slough

Importance: 0.35

58 species

-40% vs. current

Mosher Slough

Importance: 0.35

9 species

+289% vs. current

Pixey Slough

Importance: 0.35

3 species

+1067% vs. current

San Joaquin River

Importance: 0.35

2 species

+1650% 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 San Joaquin 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

-22%

vs. Regional Average

Compared to 8 nearby locations in San Joaquin County County, California

Nearby Natural Areas

Stockton

Importance: 0.51

100 species

-65% vs. current

San Joaquin County

Importance: 0.44

100 species

-65% vs. current

Manteca

Importance: 0.37

2 species

+1650% vs. current

Lodi

Importance: 0.35

86 species

-59% vs. current

Pixey Slough

Importance: 0.35

58 species

-40% vs. current

Mosher Slough

Importance: 0.35

9 species

+289% vs. current

Pixey Slough

Importance: 0.35

3 species

+1067% vs. current

San Joaquin River

Importance: 0.35

2 species

+1650% 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 15 locations

Species Distribution

Very Common8 species

Common10 species

Occasional11 species

Rare6 species

Regional Context

Regional Ranking

#6 of 15 locations

60th percentile for diversity

vs. Stockton

-65% species diversity

Most Common Species

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

Zonotrichia leucophrys

white-crowned sparrow

Very Common17 obs.

Setophaga coronata

Myrtle Warbler

Very Common15 obs.

Sialia mexicana

Western Bluebird

Very Common12 obs.

Dryobates nuttallii

Nuttall's Woodpecker

Very Common12 obs.

Haemorhous mexicanus

House Finch

Very Common11 obs.

Zonotrichia atricapilla

Golden-crowned Sparrow

Common10 obs.

Mimus polyglottos

Northern Mockingbird

Common9 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common7 obs.

Calypte anna

Anna's Hummingbird

Common6 obs.

Bombycilla cedrorum

cedar waxwing

Common5 obs.

Colaptes auratus

common flicker

Common4 obs.

Sayornis nigricans

black phoebe

Occasional4 obs.

Catharus guttatus

Hermit Thrush

Occasional4 obs.

Zenaida macroura

Mourning Dove

Occasional4 obs.

Junco hyemalis

dark-eyed junco

Occasional3 obs.

Turdus migratorius

American Robin

Occasional3 obs.

Sturnus vulgaris

starling

Occasional3 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare2 obs.

Cathartes aura

Turkey Vulture

Rare2 obs.

Sayornis saya

Say's phoebe

Rare2 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.