Sonoma County

Ecosystem Overview

The Sonoma County ecosystem supports 100 documented wildlife species across 91 taxonomic genera. Located in Sonoma 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. This location ranks #5 for species diversity among 41 Sonoma County County natural areas, placing it in the 88th 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 41 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#5 of 41 locations

88th percentile for diversity

vs. Santa Rosa

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.

Embiotoca lateralis

Striped surfperch

Very Common1,241 obs.

Hexagrammos decagrammus

Kelp Greenling

Very Common1,110 obs.

Sebastes mystinus

Blue rockfish

Very Common859 obs.

Pisaster ochraceus

ochre stars

Very Common791 obs.

Batrachoseps attenuatus

California Slender Salamander

Very Common589 obs.

Patiria miniata

Common405 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Common374 obs.

Icaricia acmon

Acmon Blue

Common364 obs.

Pseudacris regilla

Pacific chorus frog

Common361 obs.

No image

Rhacochilus vacca

Pile Seaperch

Common315 obs.

Junonia grisea

Common306 obs.

Haliotis rufescens

Red Abalone

Occasional303 obs.

Tharsalea helloides

Occasional287 obs.

Strongylocentrotus purpuratus

purple sea urchin

Occasional276 obs.

Mesocentrotus franciscanus

red sea urchin

Occasional245 obs.

Sebastes melanops

Black bass

Occasional243 obs.

Apis mellifera

Western Honey Bee

Occasional233 obs.

Sebastes chrysomelas

Rockfish

Rare233 obs.

Katharina tunicata

Rare226 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare204 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Sonoma County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+37%

vs. Regional Average

Compared to 8 nearby locations in Sonoma County County, California

Nearby Natural Areas

Santa Rosa

Importance: 0.50

100 species

0% vs. current

Petaluma

Importance: 0.35

100 species

0% vs. current

Sonoma

Importance: 0.35

100 species

0% vs. current

Sebastopol

Importance: 0.35

100 species

0% vs. current

Healdsburg

Importance: 0.35

86 species

+16% vs. current

Cloverdale

Importance: 0.35

81 species

+23% vs. current

Tolay Lake

Importance: 0.35

17 species

+488% vs. current

Pond A

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 Sonoma 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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Regional Comparison

Regional Ranking

100

Species Count

+37%

vs. Regional Average

Compared to 8 nearby locations in Sonoma County County, California

Nearby Natural Areas

Santa Rosa

Importance: 0.50

100 species

0% vs. current

Petaluma

Importance: 0.35

100 species

0% vs. current

Sonoma

Importance: 0.35

100 species

0% vs. current

Sebastopol

Importance: 0.35

100 species

0% vs. current

Healdsburg

Importance: 0.35

86 species

+16% vs. current

Cloverdale

Importance: 0.35

81 species

+23% vs. current

Tolay Lake

Importance: 0.35

17 species

+488% vs. current

Pond A

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 41 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#5 of 41 locations

88th percentile for diversity

vs. Santa Rosa

0% species diversity

Most Common Species

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

Embiotoca lateralis

Striped surfperch

Very Common1,241 obs.

Hexagrammos decagrammus

Kelp Greenling

Very Common1,110 obs.

Sebastes mystinus

Blue rockfish

Very Common859 obs.

Pisaster ochraceus

ochre stars

Very Common791 obs.

Batrachoseps attenuatus

California Slender Salamander

Very Common589 obs.

Patiria miniata

Common405 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Common374 obs.

Icaricia acmon

Acmon Blue

Common364 obs.

Pseudacris regilla

Pacific chorus frog

Common361 obs.

No image

Rhacochilus vacca

Pile Seaperch

Common315 obs.

Junonia grisea

Common306 obs.

Haliotis rufescens

Red Abalone

Occasional303 obs.

Tharsalea helloides

Occasional287 obs.

Strongylocentrotus purpuratus

purple sea urchin

Occasional276 obs.

Mesocentrotus franciscanus

red sea urchin

Occasional245 obs.

Sebastes melanops

Black bass

Occasional243 obs.

Apis mellifera

Western Honey Bee

Occasional233 obs.

Sebastes chrysomelas

Rockfish

Rare233 obs.

Katharina tunicata

Rare226 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare204 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.