Island County

Ecosystem Overview

The Island County ecosystem supports 100 documented wildlife species across 94 taxonomic genera. Located in Island County, Washington, 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. Compared to nearby Oak Harbor, Island County hosts 2400% more species diversity. This location ranks #1 for species diversity among 10 Island County County natural areas, placing it in the 90th 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 10 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 10 locations

90th percentile for diversity

vs. Oak Harbor

+2400% 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.

Hermissenda crassicornis

hermissenda

Very Common176 obs.

Melibe leonina

lion nudibranch

Very Common38 obs.

Antiopella fusca

Very Common33 obs.

Dendronotus venustus

Very Common26 obs.

Gaultheria shallon

shallal

Very Common22 obs.

Haliaeetus leucocephalus

Bald Eagle

Common21 obs.

Coryphella verrucosa

Common17 obs.

Arbutus menziesii

Pacific madrone

Common15 obs.

Ardea herodias

Great Blue Heron

Common14 obs.

Dirona albolineata

Common14 obs.

Ancula gibbosa

Atlantic Ancula

Common12 obs.

Fratercula cirrhata

Tufted Puffin

Occasional11 obs.

No image

Palio zosterae

Occasional11 obs.

Polystichum munitum

western sword fern

Occasional11 obs.

Tsuga heterophylla

western hemlock

Occasional11 obs.

Epiactis prolifera

proliferating anemone

Occasional11 obs.

Cepphus columba

Pigeon Guillemot

Occasional11 obs.

Phoca vitulina

common seal, harbour seal

Rare10 obs.

Cuthona divae

Rare10 obs.

Diaphorodoris lirulatocauda

Rare10 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 Island County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+257%

vs. Regional Average

Compared to 8 nearby locations in Island County County, Washington

Nearby Natural Areas

Oak Harbor

Importance: 0.40

4 species

+2400% vs. current

Coupeville

Importance: 0.40

1 species

+9900% vs. current

Langley

Importance: 0.38

21 species

+376% vs. current

Whidbey Island

Importance: 0.35

100 species

0% vs. current

Deer Lagoon

Importance: 0.35

34 species

+194% vs. current

Newman Ponds

Importance: 0.35

1 species

+9900% vs. current

Cranberry Lake

Importance: 0.35

1 species

+9900% vs. current

Camano Island

in Camano

Importance: 0.26

64 species

+56% 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 Island 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

+257%

vs. Regional Average

Compared to 8 nearby locations in Island County County, Washington

Nearby Natural Areas

Oak Harbor

Importance: 0.40

4 species

+2400% vs. current

Coupeville

Importance: 0.40

1 species

+9900% vs. current

Langley

Importance: 0.38

21 species

+376% vs. current

Whidbey Island

Importance: 0.35

100 species

0% vs. current

Deer Lagoon

Importance: 0.35

34 species

+194% vs. current

Newman Ponds

Importance: 0.35

1 species

+9900% vs. current

Cranberry Lake

Importance: 0.35

1 species

+9900% vs. current

Camano Island

in Camano

Importance: 0.26

64 species

+56% 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 10 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 10 locations

90th percentile for diversity

vs. Oak Harbor

+2400% species diversity

Most Common Species

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

Hermissenda crassicornis

hermissenda

Very Common176 obs.

Melibe leonina

lion nudibranch

Very Common38 obs.

Antiopella fusca

Very Common33 obs.

Dendronotus venustus

Very Common26 obs.

Gaultheria shallon

shallal

Very Common22 obs.

Haliaeetus leucocephalus

Bald Eagle

Common21 obs.

Coryphella verrucosa

Common17 obs.

Arbutus menziesii

Pacific madrone

Common15 obs.

Ardea herodias

Great Blue Heron

Common14 obs.

Dirona albolineata

Common14 obs.

Ancula gibbosa

Atlantic Ancula

Common12 obs.

Fratercula cirrhata

Tufted Puffin

Occasional11 obs.

No image

Palio zosterae

Occasional11 obs.

Polystichum munitum

western sword fern

Occasional11 obs.

Tsuga heterophylla

western hemlock

Occasional11 obs.

Epiactis prolifera

proliferating anemone

Occasional11 obs.

Cepphus columba

Pigeon Guillemot

Occasional11 obs.

Phoca vitulina

common seal, harbour seal

Rare10 obs.

Cuthona divae

Rare10 obs.

Diaphorodoris lirulatocauda

Rare10 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.