Oaks Bottom Lake

Ecosystem Overview

The Oaks Bottom Lake ecosystem supports 20 documented wildlife species across 19 taxonomic genera. Located in Multnomah County, Oregon, this area provides critical habitat with diverse natural communities. The location hosts 5 frequently observed species and 3 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Multnomah County nearby has 80% more documented species, Oaks Bottom Lake offers unique wildlife observation opportunities. This location ranks #11 for species diversity among 21 Multnomah County County natural areas, placing it in the 48th 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

#11

Regional Rank

Out of 21 locations

Species Distribution

Very Common5 species

Common6 species

Occasional6 species

Rare3 species

Regional Context

Regional Ranking

#11 of 21 locations

48th percentile for diversity

vs. Multnomah County

-80% 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 20 total documented species.

Mareca strepera

Gadwall

Very Common5 obs.

Aix sponsa

wood duck

Very Common3 obs.

Castor canadensis

Canadian beaver

Very Common1 obs.

Fulica americana

American Coot

Very Common1 obs.

Sphyrapicus ruber

Red-breasted Sapsucker

Very Common1 obs.

Podilymbus podiceps

Pied-billed grebe

Common1 obs.

Bombycilla cedrorum

cedar waxwing

Common1 obs.

Bucephala albeola

Bufflehead

Common1 obs.

Impatiens capensis

orange balsam

Common1 obs.

Hesperis matronalis

Dames rocket

Common1 obs.

Lysimachia nummularia

Moneywort

Common1 obs.

Acer macrophyllum

Big-Leaf Maple

Occasional1 obs.

Passerculus sandwichensis

Savannah Sparrow

Occasional1 obs.

Branta canadensis

Canada goose

Occasional1 obs.

Urtica gracilis

Slender Nettle

Occasional1 obs.

Anas crecca

teal, common teal

Occasional1 obs.

Spatula clypeata

Northern Shoveler

Occasional1 obs.

Butorides virescens

green heron

Rare1 obs.

Cipangopaludina chinensis

Rare1 obs.

Anas platyrhynchos

mallard

Rare1 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 Oaks Bottom Lake. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-31%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-80% vs. current

Gresham

Importance: 0.43

62 species

-68% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+11% vs. current

Sandy River

Importance: 0.35

16 species

+25% vs. current

Bybee Lake

Importance: 0.35

15 species

+33% vs. current

Smith Lake

Importance: 0.35

15 species

+33% vs. current

Force Lake

Importance: 0.35

5 species

+300% vs. current

Mill Pond

Importance: 0.35

3 species

+567% 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 Multnomah 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

-31%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-80% vs. current

Gresham

Importance: 0.43

62 species

-68% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+11% vs. current

Sandy River

Importance: 0.35

16 species

+25% vs. current

Bybee Lake

Importance: 0.35

15 species

+33% vs. current

Smith Lake

Importance: 0.35

15 species

+33% vs. current

Force Lake

Importance: 0.35

5 species

+300% vs. current

Mill Pond

Importance: 0.35

3 species

+567% 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

#11

Regional Rank

Out of 21 locations

Species Distribution

Very Common5 species

Common6 species

Occasional6 species

Rare3 species

Regional Context

Regional Ranking

#11 of 21 locations

48th percentile for diversity

vs. Multnomah County

-80% species diversity

Most Common Species

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

Mareca strepera

Gadwall

Very Common5 obs.

Aix sponsa

wood duck

Very Common3 obs.

Castor canadensis

Canadian beaver

Very Common1 obs.

Fulica americana

American Coot

Very Common1 obs.

Sphyrapicus ruber

Red-breasted Sapsucker

Very Common1 obs.

Podilymbus podiceps

Pied-billed grebe

Common1 obs.

Bombycilla cedrorum

cedar waxwing

Common1 obs.

Bucephala albeola

Bufflehead

Common1 obs.

Impatiens capensis

orange balsam

Common1 obs.

Hesperis matronalis

Dames rocket

Common1 obs.

Lysimachia nummularia

Moneywort

Common1 obs.

Acer macrophyllum

Big-Leaf Maple

Occasional1 obs.

Passerculus sandwichensis

Savannah Sparrow

Occasional1 obs.

Branta canadensis

Canada goose

Occasional1 obs.

Urtica gracilis

Slender Nettle

Occasional1 obs.

Anas crecca

teal, common teal

Occasional1 obs.

Spatula clypeata

Northern Shoveler

Occasional1 obs.

Butorides virescens

green heron

Rare1 obs.

Cipangopaludina chinensis

Rare1 obs.

Anas platyrhynchos

mallard

Rare1 obs.

Want the Complete Field Guide?

Get all 20 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.