Lake Washington

Ecosystem Overview

The Lake Washington ecosystem supports 78 documented wildlife species across 68 taxonomic genera. Located in King County, Washington, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Seattle nearby has 22% more documented species, Lake Washington offers unique wildlife observation opportunities. This location ranks #21 for species diversity among 98 King County County natural areas, placing it in the 79th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#21

Regional Rank

Out of 98 locations

Species Distribution

Very Common16 species

Common24 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#21 of 98 locations

79th percentile for diversity

vs. Seattle

-22% 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 78 total documented species.

Aix sponsa

wood duck

Very Common21 obs.

Mergus merganser

goosander

Very Common18 obs.

Branta canadensis

Canada goose

Very Common15 obs.

Ardea herodias

Great Blue Heron

Very Common15 obs.

Mareca strepera

Gadwall

Very Common15 obs.

Anas platyrhynchos

mallard

Common13 obs.

Podilymbus podiceps

Pied-billed grebe

Common12 obs.

Haliaeetus leucocephalus

Bald Eagle

Common11 obs.

Bucephala albeola

Bufflehead

Common10 obs.

Fulica americana

American Coot

Common9 obs.

Lophodytes cucullatus

Hooded Merganser

Common9 obs.

Mareca americana

American Wigeon

Occasional9 obs.

Cygnus buccinator

trumpeter swan

Occasional8 obs.

Aythya collaris

Ring-necked Duck

Occasional7 obs.

Bucephala clangula

common goldeneye

Occasional6 obs.

Aythya marila

greater scaup

Occasional6 obs.

Gallinago delicata

Wilson's Snipe

Occasional5 obs.

Aythya valisineria

Canvasback

Rare5 obs.

Hydroprogne caspia

Caspian tern

Rare5 obs.

Megaceryle alcyon

Belted Kingfisher

Rare4 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Lake Washington. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-22%

vs. Regional Average

Compared to 8 nearby locations in King County County, Washington

Nearby Natural Areas

Seattle

Importance: 0.69

100 species

-22% vs. current

Bellevue

Importance: 0.47

100 species

-22% vs. current

King County

Importance: 0.47

100 species

-22% vs. current

Renton

Importance: 0.45

100 species

-22% vs. current

Redmond

Importance: 0.45

100 species

-22% vs. current

Shoreline

Importance: 0.44

100 species

-22% vs. current

Issaquah

Importance: 0.44

100 species

-22% vs. current

Tukwila

Importance: 0.44

100 species

-22% 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

Species Count

-22%

vs. Regional Average

Compared to 8 nearby locations in King County County, Washington

Nearby Natural Areas

Seattle

Importance: 0.69

100 species

-22% vs. current

Bellevue

Importance: 0.47

100 species

-22% vs. current

King County

Importance: 0.47

100 species

-22% vs. current

Renton

Importance: 0.45

100 species

-22% vs. current

Redmond

Importance: 0.45

100 species

-22% vs. current

Shoreline

Importance: 0.44

100 species

-22% vs. current

Issaquah

Importance: 0.44

100 species

-22% vs. current

Tukwila

Importance: 0.44

100 species

-22% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#21

Regional Rank

Out of 98 locations

Species Distribution

Very Common16 species

Common24 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#21 of 98 locations

79th percentile for diversity

vs. Seattle

-22% species diversity

Most Common Species

Showing 20 most frequently observed species out of 78 total documented species.

Aix sponsa

wood duck

Very Common21 obs.

Mergus merganser

goosander

Very Common18 obs.

Branta canadensis

Canada goose

Very Common15 obs.

Ardea herodias

Great Blue Heron

Very Common15 obs.

Mareca strepera

Gadwall

Very Common15 obs.

Anas platyrhynchos

mallard

Common13 obs.

Podilymbus podiceps

Pied-billed grebe

Common12 obs.

Haliaeetus leucocephalus

Bald Eagle

Common11 obs.

Bucephala albeola

Bufflehead

Common10 obs.

Fulica americana

American Coot

Common9 obs.

Lophodytes cucullatus

Hooded Merganser

Common9 obs.

Mareca americana

American Wigeon

Occasional9 obs.

Cygnus buccinator

trumpeter swan

Occasional8 obs.

Aythya collaris

Ring-necked Duck

Occasional7 obs.

Bucephala clangula

common goldeneye

Occasional6 obs.

Aythya marila

greater scaup

Occasional6 obs.

Gallinago delicata

Wilson's Snipe

Occasional5 obs.

Aythya valisineria

Canvasback

Rare5 obs.

Hydroprogne caspia

Caspian tern

Rare5 obs.

Megaceryle alcyon

Belted Kingfisher

Rare4 obs.

Want the Complete Field Guide?

Get all 78 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.