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San Nicolas Island

Ecosystem Overview

The San Nicolas Island ecosystem supports 83 documented wildlife species across 78 taxonomic genera. Located in ventura county, california, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 16 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Oxnard nearby has 17% more documented species, San Nicolas Island offers unique wildlife observation opportunities. This location ranks #8 for species diversity among 21 ventura county County natural areas, placing it in the 62th percentile for biodiversity.

Biodiversity Highlights

83
Total Species
Documented wildlife species
78
Genus Diversity
Taxonomic genera represented
42
Common Species
Frequently observed species
41
Rare Species
Occasionally documented species
#8
Regional Rank
Out of 21 locations

Species Distribution

Very Common17 species
Common25 species
Occasional25 species
Rare16 species

Regional Context

Regional Ranking
#8 of 21 locations
62th percentile for diversity
vs. Oxnard
-17% species diversity

Most Common Species

Showing 20 most frequently observed species out of 83 total documented species.

Crassula connata

Crassula connata

sand pygmyweed

Very Common5 obs.
Mirounga angustirostris

Mirounga angustirostris

Northern Elephant Seal

Very Common5 obs.
Isocoma menziesii

Isocoma menziesii

Very Common4 obs.
Dipterostemon capitatus

Dipterostemon capitatus

Very Common3 obs.
Niebla cephalota

Niebla cephalota

Very Common3 obs.
Rumina decollata

Rumina decollata

decollate snail

Common3 obs.
Castilleja densiflora

Castilleja densiflora

dense-flower Indian paintbrush

Common3 obs.
Ambrosia chamissonis

Ambrosia chamissonis

beachbur

Common3 obs.
Sanicula arguta

Sanicula arguta

Common3 obs.
Coccinella californica

Coccinella californica

Common3 obs.
Battarrea phalloides

Battarrea phalloides

Sandy Stiltball

Common3 obs.
Targionia hypophylla

Targionia hypophylla

Orobus-seed Liverwort

Occasional3 obs.
Mesembryanthemum nodiflorum

Mesembryanthemum nodiflorum

Slenderleaf iceplant

Occasional2 obs.
Dictyocephalos attenuatus

Dictyocephalos attenuatus

Occasional2 obs.
Lasthenia gracilis

Lasthenia gracilis

needle goldfields

Occasional2 obs.
Baccharis pilularis

Baccharis pilularis

coyotebrush

Occasional2 obs.
Artemisia californica

Artemisia californica

California sagebrush

Occasional2 obs.
Achillea millefolium

Achillea millefolium

yarrow, milfoil

Rare2 obs.
Mesembryanthemum crystallinum

Mesembryanthemum crystallinum

common iceplant

Rare2 obs.
Zalophus californianus

Zalophus californianus

California Sealion

Rare2 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Ventura County

Discover 8 other wildlife-rich locations near San Nicolas Island. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement San Nicolas Islandwithin Ventura County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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