Los Angeles County

Ecosystem Overview

The Los Angeles County ecosystem supports 100 documented wildlife species across 94 taxonomic genera. Located in Los Angeles 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 #16 for species diversity among 132 Los Angeles 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

#16

Regional Rank

Out of 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#16 of 132 locations

88th percentile for diversity

vs. Pasadena

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.

Paralabrax clathratus

Sea bass

Very Common8,447 obs.

Halichoeres semicinctus

Rock wrasse

Very Common8,220 obs.

Hypsypops rubicundus

garibaldi

Very Common8,130 obs.

No image

Semicossyphus pulcher

California Sheephead

Very Common7,107 obs.

Chromis punctipinnis

Blacksmith

Very Common4,061 obs.

No image

Oxyjulis californica

Common3,169 obs.

Embiotoca jacksoni

Black Perch

Common1,926 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Common1,118 obs.

Girella nigricans

Opaleye

Common1,046 obs.

Paralabrax nebulifer

Sand bass

Common865 obs.

Sciurus niger

Cat Squirrel

Common678 obs.

Strongylocentrotus purpuratus

purple sea urchin

Occasional635 obs.

Hesperoyucca whipplei

chaparral yucca

Occasional602 obs.

Spinus psaltria

lesser goldfinch

Occasional600 obs.

Centrostephanus coronatus

Occasional596 obs.

Anas platyrhynchos

mallard

Occasional594 obs.

Haemorhous mexicanus

House Finch

Occasional593 obs.

Eriogonum fasciculatum

wild buckwheat

Rare560 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare559 obs.

Sayornis nigricans

black phoebe

Rare552 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 Los Angeles County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+22%

vs. Regional Average

Compared to 8 nearby locations in Los Angeles County County, California

Nearby Natural Areas

Pasadena

Importance: 0.58

100 species

0% vs. current

Long Beach

Importance: 0.57

100 species

0% vs. current

Santa Monica

Importance: 0.55

100 species

0% vs. current

Burbank

Importance: 0.53

100 species

0% vs. current

Beverly Hills

Importance: 0.52

15 species

+567% vs. current

Glendale

Importance: 0.52

100 species

0% vs. current

Malibu

Importance: 0.52

100 species

0% vs. current

Inglewood

Importance: 0.51

44 species

+127% 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 Los Angeles 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

+22%

vs. Regional Average

Compared to 8 nearby locations in Los Angeles County County, California

Nearby Natural Areas

Pasadena

Importance: 0.58

100 species

0% vs. current

Long Beach

Importance: 0.57

100 species

0% vs. current

Santa Monica

Importance: 0.55

100 species

0% vs. current

Burbank

Importance: 0.53

100 species

0% vs. current

Beverly Hills

Importance: 0.52

15 species

+567% vs. current

Glendale

Importance: 0.52

100 species

0% vs. current

Malibu

Importance: 0.52

100 species

0% vs. current

Inglewood

Importance: 0.51

44 species

+127% 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

#16

Regional Rank

Out of 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#16 of 132 locations

88th percentile for diversity

vs. Pasadena

0% species diversity

Most Common Species

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

Paralabrax clathratus

Sea bass

Very Common8,447 obs.

Halichoeres semicinctus

Rock wrasse

Very Common8,220 obs.

Hypsypops rubicundus

garibaldi

Very Common8,130 obs.

No image

Semicossyphus pulcher

California Sheephead

Very Common7,107 obs.

Chromis punctipinnis

Blacksmith

Very Common4,061 obs.

No image

Oxyjulis californica

Common3,169 obs.

Embiotoca jacksoni

Black Perch

Common1,926 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Common1,118 obs.

Girella nigricans

Opaleye

Common1,046 obs.

Paralabrax nebulifer

Sand bass

Common865 obs.

Sciurus niger

Cat Squirrel

Common678 obs.

Strongylocentrotus purpuratus

purple sea urchin

Occasional635 obs.

Hesperoyucca whipplei

chaparral yucca

Occasional602 obs.

Spinus psaltria

lesser goldfinch

Occasional600 obs.

Centrostephanus coronatus

Occasional596 obs.

Anas platyrhynchos

mallard

Occasional594 obs.

Haemorhous mexicanus

House Finch

Occasional593 obs.

Eriogonum fasciculatum

wild buckwheat

Rare560 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare559 obs.

Sayornis nigricans

black phoebe

Rare552 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.