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San Juan Island

Ecosystem Overview

The San Juan Island ecosystem supports 100 documented wildlife species across 92 taxonomic genera. Located in san juan 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 #4 for species diversity among 18 san juan county County natural areas, placing it in the 78th percentile for biodiversity.

Biodiversity Highlights

100
Total Species
Documented wildlife species
92
Genus Diversity
Taxonomic genera represented
51
Common Species
Frequently observed species
49
Rare Species
Occasionally documented species
#4
Regional Rank
Out of 18 locations

Species Distribution

Very Common21 species
Common30 species
Occasional30 species
Rare19 species

Regional Context

Regional Ranking
#4 of 18 locations
78th percentile for diversity
vs. San Juan County
0% species diversity

Most Common Species

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

Vulpes vulpes

Vulpes vulpes

fox, red fox

Very Common21 obs.
Arbutus menziesii

Arbutus menziesii

Pacific madrone

Very Common18 obs.
Haliaeetus leucocephalus

Haliaeetus leucocephalus

Bald Eagle

Very Common13 obs.
Zonotrichia leucophrys

Zonotrichia leucophrys

white-crowned sparrow

Very Common13 obs.
Pseudotsuga menziesii

Pseudotsuga menziesii

Oregon Pine

Very Common13 obs.
Sedum spathulifolium

Sedum spathulifolium

Colorado Stonecrop

Common12 obs.
Gaultheria shallon

Gaultheria shallon

shallal

Common11 obs.
Turdus migratorius

Turdus migratorius

American Robin

Common10 obs.
Eschscholzia californica

Eschscholzia californica

California poppy

Common10 obs.
Holodiscus discolor

Holodiscus discolor

hillside oceanspray

Common9 obs.
Lysimachia latifolia

Lysimachia latifolia

broad-leaved starflower

Common9 obs.
Pteridium aquilinum

Pteridium aquilinum

bracken

Occasional9 obs.
Symphoricarpos albus

Symphoricarpos albus

Occasional8 obs.
Rubus parviflorus

Rubus parviflorus

Occasional8 obs.
Hirundo rustica

Hirundo rustica

barn swallow

Occasional8 obs.
Rosa nutkana

Rosa nutkana

Nootka rose

Occasional8 obs.
Malacosoma californica

Malacosoma californica

Occasional7 obs.
Cichorium intybus

Cichorium intybus

chicory

Rare7 obs.
Bellis perennis

Bellis perennis

daisy

Rare7 obs.
Selasphorus rufus

Selasphorus rufus

Rufous/Allen'S Hummingbird

Rare7 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in San Juan County

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

Regional Wildlife Network

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

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