Anacapa Island

Ecosystem Overview

The Anacapa Island ecosystem supports 100 documented wildlife species across 85 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 #60 for species diversity among 1359 California natural areas, placing it in the 96th 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

#60

Regional Rank

Out of 1359 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#60 of 1359 locations

96th 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.

Larus occidentalis

Western Gull

Very Common43 obs.

Malva assurgentiflora

island mallow

Very Common26 obs.

Buteo jamaicensis

Red-tailed Hawk

Very Common11 obs.

Eriogonum arborescens

Island buckwheat

Very Common11 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Very Common11 obs.

Scantius aegyptius

Common8 obs.

Calypte anna

Anna's Hummingbird

Common8 obs.

Strymon melinus

Cotton Square Borer

Common6 obs.

Aplysia californica

California seahare

Common6 obs.

Uta stansburiana

Side-blotched Lizard

Common6 obs.

Bactericera lavaterae

Common6 obs.

Erigeron glaucus

seaside daisy

Occasional5 obs.

Sayornis saya

Say's phoebe

Occasional5 obs.

Coccinella septempunctata

7-spot ladybird

Occasional5 obs.

Corvus corax

common raven

Occasional5 obs.

Falco sparverius

American Kestrel

Occasional5 obs.

Haemorhous mexicanus

House Finch

Occasional5 obs.

Chenopodiastrum murale

Nettleleaf goosefoot

Rare5 obs.

Catharus guttatus

Hermit Thrush

Rare4 obs.

Monomorium ergatogyna

Rare4 obs.

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Most Common Species

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Get Your Personalized Field Guide

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

$6.99

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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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About This Comparison

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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

#60

Regional Rank

Out of 1359 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#60 of 1359 locations

96th percentile for diversity

vs. California

0% species diversity

Most Common Species

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

Larus occidentalis

Western Gull

Very Common43 obs.

Malva assurgentiflora

island mallow

Very Common26 obs.

Buteo jamaicensis

Red-tailed Hawk

Very Common11 obs.

Eriogonum arborescens

Island buckwheat

Very Common11 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Very Common11 obs.

Scantius aegyptius

Common8 obs.

Calypte anna

Anna's Hummingbird

Common8 obs.

Strymon melinus

Cotton Square Borer

Common6 obs.

Aplysia californica

California seahare

Common6 obs.

Uta stansburiana

Side-blotched Lizard

Common6 obs.

Bactericera lavaterae

Common6 obs.

Erigeron glaucus

seaside daisy

Occasional5 obs.

Sayornis saya

Say's phoebe

Occasional5 obs.

Coccinella septempunctata

7-spot ladybird

Occasional5 obs.

Corvus corax

common raven

Occasional5 obs.

Falco sparverius

American Kestrel

Occasional5 obs.

Haemorhous mexicanus

House Finch

Occasional5 obs.

Chenopodiastrum murale

Nettleleaf goosefoot

Rare5 obs.

Catharus guttatus

Hermit Thrush

Rare4 obs.

Monomorium ergatogyna

Rare4 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.