San Ramon

Ecosystem Overview

The San Ramon ecosystem supports 51 documented wildlife species across 49 taxonomic genera. Located in California, this area provides critical habitat for regional wildlife. The location hosts 11 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While California nearby has 49% more documented species, San Ramon offers unique wildlife observation opportunities. This location ranks #363 for species diversity among 1359 California natural areas, placing it in the 73th 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

#363

Regional Rank

Out of 1359 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare10 species

Regional Context

Regional Ranking

#363 of 1359 locations

73th percentile for diversity

vs. California

-49% 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 51 total documented species.

Buteo jamaicensis

Red-tailed Hawk

Very Common4 obs.

Junco hyemalis

dark-eyed junco

Very Common4 obs.

Melanerpes formicivorus

Acorn Woodpecker

Very Common3 obs.

Calypte anna

Anna's Hummingbird

Very Common3 obs.

Zonotrichia leucophrys

white-crowned sparrow

Very Common3 obs.

Bucephala albeola

Bufflehead

Common3 obs.

Haemorhous mexicanus

House Finch

Common3 obs.

Falco sparverius

American Kestrel

Common3 obs.

Branta canadensis

Canada goose

Common3 obs.

Sayornis nigricans

black phoebe

Common2 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common2 obs.

Contia tenuis

Sharptail Snake

Occasional2 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional2 obs.

Euphagus cyanocephalus

Brewer's blackbird

Occasional2 obs.

Spinus psaltria

lesser goldfinch

Occasional2 obs.

Euphorbia maculata

Milk purslane

Occasional2 obs.

Quercus lobata

Valley Oak

Occasional2 obs.

Hylephila phyleus

Fiery Skipper

Rare2 obs.

Lepomis macrochirus

Bluegill sunfish

Rare2 obs.

Libellula luctuosa

Widow Skimmer

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 San Ramon. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-49%

vs. Regional Average

Compared to 8 nearby locations in California

Nearby Natural Areas

California

Importance: 0.84

100 species

-49% vs. current

San Francisco

Importance: 0.69

100 species

-49% vs. current

San Diego

Importance: 0.63

100 species

-49% vs. current

Oakland

Importance: 0.61

100 species

-49% vs. current

Fresno

Importance: 0.59

100 species

-49% vs. current

Anaheim

Importance: 0.59

100 species

-49% vs. current

San José

Importance: 0.59

100 species

-49% vs. current

Berkeley

Importance: 0.59

100 species

-49% 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 California.

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

-49%

vs. Regional Average

Compared to 8 nearby locations in California

Nearby Natural Areas

California

Importance: 0.84

100 species

-49% vs. current

San Francisco

Importance: 0.69

100 species

-49% vs. current

San Diego

Importance: 0.63

100 species

-49% vs. current

Oakland

Importance: 0.61

100 species

-49% vs. current

Fresno

Importance: 0.59

100 species

-49% vs. current

Anaheim

Importance: 0.59

100 species

-49% vs. current

San José

Importance: 0.59

100 species

-49% vs. current

Berkeley

Importance: 0.59

100 species

-49% 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

#363

Regional Rank

Out of 1359 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare10 species

Regional Context

Regional Ranking

#363 of 1359 locations

73th percentile for diversity

vs. California

-49% species diversity

Most Common Species

Showing 20 most frequently observed species out of 51 total documented species.

Buteo jamaicensis

Red-tailed Hawk

Very Common4 obs.

Junco hyemalis

dark-eyed junco

Very Common4 obs.

Melanerpes formicivorus

Acorn Woodpecker

Very Common3 obs.

Calypte anna

Anna's Hummingbird

Very Common3 obs.

Zonotrichia leucophrys

white-crowned sparrow

Very Common3 obs.

Bucephala albeola

Bufflehead

Common3 obs.

Haemorhous mexicanus

House Finch

Common3 obs.

Falco sparverius

American Kestrel

Common3 obs.

Branta canadensis

Canada goose

Common3 obs.

Sayornis nigricans

black phoebe

Common2 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common2 obs.

Contia tenuis

Sharptail Snake

Occasional2 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional2 obs.

Euphagus cyanocephalus

Brewer's blackbird

Occasional2 obs.

Spinus psaltria

lesser goldfinch

Occasional2 obs.

Euphorbia maculata

Milk purslane

Occasional2 obs.

Quercus lobata

Valley Oak

Occasional2 obs.

Hylephila phyleus

Fiery Skipper

Rare2 obs.

Lepomis macrochirus

Bluegill sunfish

Rare2 obs.

Libellula luctuosa

Widow Skimmer

Rare2 obs.

Want the Complete Field Guide?

Get all 51 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.