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Brown Island

Ecosystem Overview

The Brown Island ecosystem supports 82 documented wildlife species across 78 taxonomic genera. Located in san juan county, washington, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 16 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San Juan County nearby has 18% more documented species, Brown Island offers unique wildlife observation opportunities. This location ranks #6 for species diversity among 18 san juan county County natural areas, placing it in the 67th percentile for biodiversity.

Biodiversity Highlights

82
Total Species
Documented wildlife species
78
Genus Diversity
Taxonomic genera represented
42
Common Species
Frequently observed species
40
Rare Species
Occasionally documented species
#6
Regional Rank
Out of 18 locations

Species Distribution

Very Common17 species
Common25 species
Occasional24 species
Rare16 species

Regional Context

Regional Ranking
#6 of 18 locations
67th percentile for diversity
vs. San Juan County
-18% species diversity

Most Common Species

Showing 20 most frequently observed species out of 82 total documented species.

Ariolimax columbianus

Ariolimax columbianus

Pacific banana slug

Very Common10 obs.
Junco hyemalis

Junco hyemalis

dark-eyed junco

Very Common4 obs.
Strix varia

Strix varia

barred owl

Very Common4 obs.
Gaultheria shallon

Gaultheria shallon

shallal

Very Common3 obs.
Monotropa uniflora

Monotropa uniflora

One-Flowered Indian Pipe

Very Common3 obs.
Lontra canadensis

Lontra canadensis

River Otter

Common3 obs.
Pipilo maculatus

Pipilo maculatus

Spotted Towhee (Maculatus Group)

Common3 obs.
Turdus migratorius

Turdus migratorius

American Robin

Common3 obs.
Sedum spathulifolium

Sedum spathulifolium

Colorado Stonecrop

Common3 obs.
Plectritis congesta

Plectritis congesta

rosy plectritis

Common2 obs.
Thuja plicata

Thuja plicata

giant arborvitae

Common2 obs.
Megaceryle alcyon

Megaceryle alcyon

Belted Kingfisher

Occasional2 obs.
Zonotrichia leucophrys

Zonotrichia leucophrys

white-crowned sparrow

Occasional2 obs.
Geranium robertianum

Geranium robertianum

herb-robert

Occasional2 obs.
Bellis perennis

Bellis perennis

daisy

Occasional2 obs.
Fragaria vesca

Fragaria vesca

wild strawberry

Occasional2 obs.
Galium triflorum

Galium triflorum

Sweet Bedstraw

Occasional2 obs.
Mycelis muralis

Mycelis muralis

wall lettuce

Rare2 obs.
Limax maximus

Limax maximus

Spotted leopard slug

Rare2 obs.
Oregonia gracilis

Oregonia gracilis

Rare2 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 Brown Island. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement Brown 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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