Oahu

Ecosystem Overview

The Oahu ecosystem supports 100 documented wildlife species across 94 taxonomic genera. Located in Honolulu County, Hawaii, 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 #4 for species diversity among 20 Honolulu County County natural areas, placing it in the 80th 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

Regional Rank

Out of 20 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#4 of 20 locations

80th percentile for diversity

vs. Honolulu

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.

Pluvialis fulva

pacific golden plover

Very Common456 obs.

Miconia crenata

Very Common403 obs.

Geopelia striata

Zebra Dove

Very Common360 obs.

Phelsuma laticauda

Gold dust day gecko

Very Common270 obs.

Acridotheres tristis

Common myna

Very Common267 obs.

Paroaria coronata

Red-crested Cardinal

Common240 obs.

Pycnonotus cafer

Red-vented Bulbul

Common239 obs.

Heptapleurum actinophyllum

Common236 obs.

Metrosideros polymorpha

Common234 obs.

Megathyrsus maximus

Guineagrass

Common227 obs.

Estrilda astrild

Common Waxbill

Common226 obs.

Anolis sagrei

Mayan Coastal Anole [Mayensis]

Occasional216 obs.

Leucaena leucocephala

White leadtree

Occasional202 obs.

Gygis alba

White Tern

Occasional196 obs.

Schinus terebinthifolia

Brazilian peppertree

Occasional181 obs.

Spilopelia chinensis

Spotted Dove

Occasional164 obs.

Chloris barbata

Swollen fingergrass

Occasional160 obs.

Asystasia gangetica

Chinese Violet

Rare148 obs.

Passer domesticus

House Sparrow

Rare147 obs.

Copsychus malabaricus

White-rumped shama

Rare140 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 Oahu. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+245%

vs. Regional Average

Compared to 8 nearby locations in Honolulu County County, Hawaii

Nearby Natural Areas

Honolulu

Importance: 0.63

100 species

0% vs. current

Honolulu County

Importance: 0.40

100 species

0% vs. current

Quarry Pond

Importance: 0.35

20 species

+400% vs. current

Heʻeia Fishpond

Importance: 0.35

4 species

+2400% vs. current

Paiko Lagoon Wildlife Sanctuary

Importance: 0.35

3 species

+3233% vs. current

Magic Island Lagoon

Importance: 0.35

2 species

+4900% vs. current

Kaloko Inlet

Importance: 0.35

2 species

+4900% vs. current

Kohola Lagoon

Importance: 0.35

1 species

+9900% 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 Honolulu 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

+245%

vs. Regional Average

Compared to 8 nearby locations in Honolulu County County, Hawaii

Nearby Natural Areas

Honolulu

Importance: 0.63

100 species

0% vs. current

Honolulu County

Importance: 0.40

100 species

0% vs. current

Quarry Pond

Importance: 0.35

20 species

+400% vs. current

Heʻeia Fishpond

Importance: 0.35

4 species

+2400% vs. current

Paiko Lagoon Wildlife Sanctuary

Importance: 0.35

3 species

+3233% vs. current

Magic Island Lagoon

Importance: 0.35

2 species

+4900% vs. current

Kaloko Inlet

Importance: 0.35

2 species

+4900% vs. current

Kohola Lagoon

Importance: 0.35

1 species

+9900% 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

Regional Rank

Out of 20 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#4 of 20 locations

80th percentile for diversity

vs. Honolulu

0% species diversity

Most Common Species

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

Pluvialis fulva

pacific golden plover

Very Common456 obs.

Miconia crenata

Very Common403 obs.

Geopelia striata

Zebra Dove

Very Common360 obs.

Phelsuma laticauda

Gold dust day gecko

Very Common270 obs.

Acridotheres tristis

Common myna

Very Common267 obs.

Paroaria coronata

Red-crested Cardinal

Common240 obs.

Pycnonotus cafer

Red-vented Bulbul

Common239 obs.

Heptapleurum actinophyllum

Common236 obs.

Metrosideros polymorpha

Common234 obs.

Megathyrsus maximus

Guineagrass

Common227 obs.

Estrilda astrild

Common Waxbill

Common226 obs.

Anolis sagrei

Mayan Coastal Anole [Mayensis]

Occasional216 obs.

Leucaena leucocephala

White leadtree

Occasional202 obs.

Gygis alba

White Tern

Occasional196 obs.

Schinus terebinthifolia

Brazilian peppertree

Occasional181 obs.

Spilopelia chinensis

Spotted Dove

Occasional164 obs.

Chloris barbata

Swollen fingergrass

Occasional160 obs.

Asystasia gangetica

Chinese Violet

Rare148 obs.

Passer domesticus

House Sparrow

Rare147 obs.

Copsychus malabaricus

White-rumped shama

Rare140 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.