Vacation Isle

Ecosystem Overview

The Vacation Isle ecosystem supports 63 documented wildlife species across 50 taxonomic genera. Located in San Diego County, California, this area provides critical habitat with diverse natural communities. The location hosts 13 frequently observed species and 12 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San Diego nearby has 37% more documented species, Vacation Isle offers unique wildlife observation opportunities. This location ranks #22 for species diversity among 89 San Diego County County natural areas, placing it in the 75th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#22

Regional Rank

Out of 89 locations

Species Distribution

Very Common13 species

Common19 species

Occasional19 species

Rare12 species

Regional Context

Regional Ranking

#22 of 89 locations

75th percentile for diversity

vs. San Diego

-37% 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 63 total documented species.

Larus occidentalis

Western Gull

Very Common16 obs.

Corvus brachyrhynchos

American Crow

Very Common10 obs.

Larus californicus

California Gull

Very Common9 obs.

Mareca americana

American Wigeon

Very Common8 obs.

Ardea herodias

Great Blue Heron

Very Common7 obs.

Rynchops niger

black skimmer

Common6 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Common6 obs.

Actitis macularius

spotted sandpiper

Common6 obs.

Sayornis nigricans

black phoebe

Common5 obs.

Egretta thula

Snowy Egret

Common4 obs.

Otospermophilus beecheyi

California ground squirrel

Common4 obs.

Larus delawarensis

Ring-billed Gull

Occasional4 obs.

Larus heermanni

Heermann's Gull

Occasional3 obs.

Egretta caerulea

Little Blue Heron

Occasional3 obs.

Melospiza melodia

Song Sparrow

Occasional3 obs.

Tringa semipalmata

Willet

Occasional3 obs.

Branta canadensis

Canada goose

Occasional3 obs.

Zenaida macroura

Mourning Dove

Rare3 obs.

Fulica americana

American Coot

Rare3 obs.

Pachygrapsus crassipes

striped shore crab

Rare2 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 Vacation Isle. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-37%

vs. Regional Average

Compared to 8 nearby locations in San Diego County County, California

Nearby Natural Areas

San Diego

Importance: 0.63

100 species

-37% vs. current

San Diego County

Importance: 0.55

100 species

-37% vs. current

Carlsbad

Importance: 0.47

100 species

-37% vs. current

Oceanside

Importance: 0.46

100 species

-37% vs. current

Escondido

Importance: 0.45

100 species

-37% vs. current

Chula Vista

Importance: 0.45

100 species

-37% vs. current

San Marcos

Importance: 0.44

100 species

-37% vs. current

Coronado

Importance: 0.42

100 species

-37% 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 San Diego 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

Species Count

-37%

vs. Regional Average

Compared to 8 nearby locations in San Diego County County, California

Nearby Natural Areas

San Diego

Importance: 0.63

100 species

-37% vs. current

San Diego County

Importance: 0.55

100 species

-37% vs. current

Carlsbad

Importance: 0.47

100 species

-37% vs. current

Oceanside

Importance: 0.46

100 species

-37% vs. current

Escondido

Importance: 0.45

100 species

-37% vs. current

Chula Vista

Importance: 0.45

100 species

-37% vs. current

San Marcos

Importance: 0.44

100 species

-37% vs. current

Coronado

Importance: 0.42

100 species

-37% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#22

Regional Rank

Out of 89 locations

Species Distribution

Very Common13 species

Common19 species

Occasional19 species

Rare12 species

Regional Context

Regional Ranking

#22 of 89 locations

75th percentile for diversity

vs. San Diego

-37% species diversity

Most Common Species

Showing 20 most frequently observed species out of 63 total documented species.

Larus occidentalis

Western Gull

Very Common16 obs.

Corvus brachyrhynchos

American Crow

Very Common10 obs.

Larus californicus

California Gull

Very Common9 obs.

Mareca americana

American Wigeon

Very Common8 obs.

Ardea herodias

Great Blue Heron

Very Common7 obs.

Rynchops niger

black skimmer

Common6 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Common6 obs.

Actitis macularius

spotted sandpiper

Common6 obs.

Sayornis nigricans

black phoebe

Common5 obs.

Egretta thula

Snowy Egret

Common4 obs.

Otospermophilus beecheyi

California ground squirrel

Common4 obs.

Larus delawarensis

Ring-billed Gull

Occasional4 obs.

Larus heermanni

Heermann's Gull

Occasional3 obs.

Egretta caerulea

Little Blue Heron

Occasional3 obs.

Melospiza melodia

Song Sparrow

Occasional3 obs.

Tringa semipalmata

Willet

Occasional3 obs.

Branta canadensis

Canada goose

Occasional3 obs.

Zenaida macroura

Mourning Dove

Rare3 obs.

Fulica americana

American Coot

Rare3 obs.

Pachygrapsus crassipes

striped shore crab

Rare2 obs.

Want the Complete Field Guide?

Get all 63 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.