Rolling Hills Estates

Ecosystem Overview

The Rolling Hills Estates ecosystem supports 100 documented wildlife species across 87 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 #10 for species diversity among 132 Los Angeles County County natural areas, placing it in the 92th 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

#10

Regional Rank

Out of 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 132 locations

92th 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.

Spinus psaltria

lesser goldfinch

Very Common24 obs.

Nicotiana glauca

Tree tobacco

Very Common19 obs.

Selasphorus sasin

Allen's Hummingbird

Very Common18 obs.

Leiothlypis celata

Orange-crowned Warbler

Very Common16 obs.

Ricinus communis

Castorbean

Very Common15 obs.

Sayornis nigricans

black phoebe

Common15 obs.

Buteo jamaicensis

Red-tailed Hawk

Common14 obs.

Haemorhous mexicanus

House Finch

Common14 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common13 obs.

Melozone crissalis

California Towhee

Common13 obs.

Icterus cucullatus

Hooded oriole

Common13 obs.

Melospiza melodia

Song Sparrow

Occasional13 obs.

Zonotrichia leucophrys

white-crowned sparrow

Occasional12 obs.

Sylvilagus audubonii

Desert Cottontail

Occasional12 obs.

Pavo cristatus

Indian Peafowl

Occasional10 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Occasional9 obs.

Foeniculum vulgare

Sweet fennel

Occasional9 obs.

Polioptila caerulea

Blue-Grey Gnatcatcher

Rare9 obs.

Buteo lineatus

Red-Shouldered/Broad-Winged Hawk

Rare8 obs.

Batrachoseps nigriventris

Black-bellied Slender Salamander

Rare8 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 Rolling Hills Estates. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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

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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

#10

Regional Rank

Out of 132 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 132 locations

92th percentile for diversity

vs. Pasadena

0% species diversity

Most Common Species

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

Spinus psaltria

lesser goldfinch

Very Common24 obs.

Nicotiana glauca

Tree tobacco

Very Common19 obs.

Selasphorus sasin

Allen's Hummingbird

Very Common18 obs.

Leiothlypis celata

Orange-crowned Warbler

Very Common16 obs.

Ricinus communis

Castorbean

Very Common15 obs.

Sayornis nigricans

black phoebe

Common15 obs.

Buteo jamaicensis

Red-tailed Hawk

Common14 obs.

Haemorhous mexicanus

House Finch

Common14 obs.

Aphelocoma californica

California/Woodhouse's Scrub-Jay

Common13 obs.

Melozone crissalis

California Towhee

Common13 obs.

Icterus cucullatus

Hooded oriole

Common13 obs.

Melospiza melodia

Song Sparrow

Occasional13 obs.

Zonotrichia leucophrys

white-crowned sparrow

Occasional12 obs.

Sylvilagus audubonii

Desert Cottontail

Occasional12 obs.

Pavo cristatus

Indian Peafowl

Occasional10 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Occasional9 obs.

Foeniculum vulgare

Sweet fennel

Occasional9 obs.

Polioptila caerulea

Blue-Grey Gnatcatcher

Rare9 obs.

Buteo lineatus

Red-Shouldered/Broad-Winged Hawk

Rare8 obs.

Batrachoseps nigriventris

Black-bellied Slender Salamander

Rare8 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.