Brea

Ecosystem Overview

The Brea ecosystem supports 100 documented wildlife species across 95 taxonomic genera. Located in California, this area provides critical habitat for regional wildlife. 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 #243 for species diversity among 1359 California natural areas, placing it in the 82th 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

#243

Regional Rank

Out of 1359 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#243 of 1359 locations

82th percentile for diversity

vs. California

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.

Thryomanes bewickii

Bewick'S Wren (Spilurus Group)

Very Common11 obs.

Pipilo maculatus

Spotted Towhee (Maculatus Group)

Very Common9 obs.

Haemorhous mexicanus

House Finch

Very Common9 obs.

Sialia mexicana

Western Bluebird

Very Common9 obs.

Melozone crissalis

California Towhee

Very Common8 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Common8 obs.

Buteo lineatus

Red-Shouldered/Broad-Winged Hawk

Common7 obs.

Pheucticus melanocephalus

Black-headed Grosbeak

Common6 obs.

Tyto furcata

American Barn Owl

Common6 obs.

Sambucus cerulea

blue elder

Common6 obs.

Zenaida macroura

Mourning Dove

Common6 obs.

Melospiza melodia

Song Sparrow

Occasional6 obs.

Pseudacris regilla

Pacific chorus frog

Occasional5 obs.

Schistocerca nitens

Vagrant Grasshopper

Occasional5 obs.

Ricinus communis

Castorbean

Occasional5 obs.

Spinus psaltria

lesser goldfinch

Occasional5 obs.

Icterus cucullatus

Hooded oriole

Occasional5 obs.

Juglans californica

California walnut

Rare5 obs.

Melanerpes formicivorus

Acorn Woodpecker

Rare5 obs.

Apis mellifera

Western Honey Bee

Rare5 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in California

Nearby Natural Areas

California

Importance: 0.84

100 species

0% vs. current

San Francisco

Importance: 0.69

100 species

0% vs. current

San Diego

Importance: 0.63

100 species

0% vs. current

Oakland

Importance: 0.61

100 species

0% vs. current

Fresno

Importance: 0.59

100 species

0% vs. current

Anaheim

Importance: 0.59

100 species

0% vs. current

San José

Importance: 0.59

100 species

0% vs. current

Berkeley

Importance: 0.59

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 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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Regional Comparison

Regional Ranking

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in California

Nearby Natural Areas

California

Importance: 0.84

100 species

0% vs. current

San Francisco

Importance: 0.69

100 species

0% vs. current

San Diego

Importance: 0.63

100 species

0% vs. current

Oakland

Importance: 0.61

100 species

0% vs. current

Fresno

Importance: 0.59

100 species

0% vs. current

Anaheim

Importance: 0.59

100 species

0% vs. current

San José

Importance: 0.59

100 species

0% vs. current

Berkeley

Importance: 0.59

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

#243

Regional Rank

Out of 1359 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#243 of 1359 locations

82th percentile for diversity

vs. California

0% species diversity

Western Honey Bee

Rare5 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.