Vashon Island

Ecosystem Overview

The Vashon Island ecosystem supports 100 documented wildlife species across 98 taxonomic genera. Located in King 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. This location ranks #15 for species diversity among 98 King County County natural areas, placing it in the 85th 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

#15

Regional Rank

Out of 98 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#15 of 98 locations

85th percentile for diversity

vs. Seattle

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.

Celastrus orbiculatus

Asian Bittersweet

Very Common9 obs.

Geranium lucidum

Shining geranium

Very Common8 obs.

Ariolimax columbianus

Pacific banana slug

Very Common6 obs.

Melospiza melodia

Song Sparrow

Very Common6 obs.

Lythrum salicaria

purple loosestrife

Very Common5 obs.

Euphorbia lathyris

Moleplant

Common5 obs.

Impatiens capensis

orange balsam

Common5 obs.

Ilex aquifolium

holly

Common5 obs.

Zonotrichia leucophrys

white-crowned sparrow

Common4 obs.

Taricha granulosa

Rough-skinned Newt

Common4 obs.

Trametes versicolor

Turkeytail

Common3 obs.

Strix varia

barred owl

Occasional3 obs.

Passerella iliaca

Fox Sparrow (Slate-Colored)

Occasional3 obs.

Arbutus menziesii

Pacific madrone

Occasional3 obs.

Vinca minor

lesser periwinkle

Occasional3 obs.

Heracleum maximum

American Cow Parsnip

Occasional3 obs.

Rubus spectabilis

Salmonberry

Occasional3 obs.

Pentaglottis sempervirens

green alkanet

Rare3 obs.

Geranium robertianum

herb-robert

Rare3 obs.

Misumena vatia

Goldenrod Crab Spider

Rare3 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 Vashon 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 King County County, Washington

Nearby Natural Areas

Seattle

Importance: 0.69

100 species

0% vs. current

Bellevue

Importance: 0.47

100 species

0% vs. current

King County

Importance: 0.47

100 species

0% vs. current

Renton

Importance: 0.45

100 species

0% vs. current

Redmond

Importance: 0.45

100 species

0% vs. current

Shoreline

Importance: 0.44

100 species

0% vs. current

Issaquah

Importance: 0.44

100 species

0% vs. current

Tukwila

Importance: 0.44

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 King 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

vs. Regional Average

Compared to 8 nearby locations in King County County, Washington

Nearby Natural Areas

Seattle

Importance: 0.69

100 species

0% vs. current

Bellevue

Importance: 0.47

100 species

0% vs. current

King County

Importance: 0.47

100 species

0% vs. current

Renton

Importance: 0.45

100 species

0% vs. current

Redmond

Importance: 0.45

100 species

0% vs. current

Shoreline

Importance: 0.44

100 species

0% vs. current

Issaquah

Importance: 0.44

100 species

0% vs. current

Tukwila

Importance: 0.44

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

#15

Regional Rank

Out of 98 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#15 of 98 locations

85th percentile for diversity

vs. Seattle

0% species diversity

Most Common Species

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

Celastrus orbiculatus

Asian Bittersweet

Very Common9 obs.

Geranium lucidum

Shining geranium

Very Common8 obs.

Ariolimax columbianus

Pacific banana slug

Very Common6 obs.

Melospiza melodia

Song Sparrow

Very Common6 obs.

Lythrum salicaria

purple loosestrife

Very Common5 obs.

Euphorbia lathyris

Moleplant

Common5 obs.

Impatiens capensis

orange balsam

Common5 obs.

Ilex aquifolium

holly

Common5 obs.

Zonotrichia leucophrys

white-crowned sparrow

Common4 obs.

Taricha granulosa

Rough-skinned Newt

Common4 obs.

Trametes versicolor

Turkeytail

Common3 obs.

Strix varia

barred owl

Occasional3 obs.

Passerella iliaca

Fox Sparrow (Slate-Colored)

Occasional3 obs.

Arbutus menziesii

Pacific madrone

Occasional3 obs.

Vinca minor

lesser periwinkle

Occasional3 obs.

Heracleum maximum

American Cow Parsnip

Occasional3 obs.

Rubus spectabilis

Salmonberry

Occasional3 obs.

Pentaglottis sempervirens

green alkanet

Rare3 obs.

Geranium robertianum

herb-robert

Rare3 obs.

Misumena vatia

Goldenrod Crab Spider

Rare3 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.