Arcadia

Ecosystem Overview

The Arcadia ecosystem supports 100 documented wildlife species across 95 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 #1 for species diversity among 132 Los Angeles County County natural areas, placing it in the 99th 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 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 132 locations

99th 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.

Pavo cristatus

Indian Peafowl

Very Common44 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Very Common41 obs.

Branta canadensis

Canada goose

Very Common29 obs.

Pycnonotus jocosus

Red-whiskered Bulbul

Very Common28 obs.

Anas platyrhynchos

mallard

Very Common26 obs.

Melozone crissalis

California Towhee

Common22 obs.

Mimus polyglottos

Northern Mockingbird

Common19 obs.

Haemorhous mexicanus

House Finch

Common19 obs.

Turdus migratorius

American Robin

Common16 obs.

Sayornis nigricans

black phoebe

Common14 obs.

Zenaida macroura

Mourning Dove

Common12 obs.

Lophodytes cucullatus

Hooded Merganser

Occasional12 obs.

Selasphorus sasin

Allen's Hummingbird

Occasional12 obs.

Sciurus niger

Cat Squirrel

Occasional12 obs.

Sylvilagus audubonii

Desert Cottontail

Occasional11 obs.

Spinus psaltria

lesser goldfinch

Occasional11 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Occasional11 obs.

Fulica americana

American Coot

Rare11 obs.

Sialia mexicana

Western Bluebird

Rare10 obs.

Melospiza melodia

Song Sparrow

Rare9 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 Arcadia. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+12%

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

Los Angeles County

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

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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About This Comparison

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Regional Comparison

Regional Ranking

100

Species Count

+12%

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

Los Angeles County

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

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 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 132 locations

99th percentile for diversity

vs. Pasadena

0% species diversity

Most Common Species

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

Pavo cristatus

Indian Peafowl

Very Common44 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Very Common41 obs.

Branta canadensis

Canada goose

Very Common29 obs.

Pycnonotus jocosus

Red-whiskered Bulbul

Very Common28 obs.

Anas platyrhynchos

mallard

Very Common26 obs.

Melozone crissalis

California Towhee

Common22 obs.

Mimus polyglottos

Northern Mockingbird

Common19 obs.

Haemorhous mexicanus

House Finch

Common19 obs.

Turdus migratorius

American Robin

Common16 obs.

Sayornis nigricans

black phoebe

Common14 obs.

Zenaida macroura

Mourning Dove

Common12 obs.

Lophodytes cucullatus

Hooded Merganser

Occasional12 obs.

Selasphorus sasin

Allen's Hummingbird

Occasional12 obs.

Sciurus niger

Cat Squirrel

Occasional12 obs.

Sylvilagus audubonii

Desert Cottontail

Occasional11 obs.

Spinus psaltria

lesser goldfinch

Occasional11 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Occasional11 obs.

Fulica americana

American Coot

Rare11 obs.

Sialia mexicana

Western Bluebird

Rare10 obs.

Melospiza melodia

Song Sparrow

Rare9 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.