Oregon City

Ecosystem Overview

The Oregon City ecosystem supports 100 documented wildlife species across 97 taxonomic genera. Located in Clackamas County, Oregon, 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 #3 for species diversity among 18 Clackamas County County natural areas, placing it in the 83th 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

Regional Rank

Out of 18 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 18 locations

83th percentile for diversity

vs. Clackamas County

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.

Arbutus menziesii

Pacific madrone

Very Common7 obs.

Cytisus scoparius

Scotch broom

Very Common6 obs.

Solanum dulcamara

bittersweet, woody nightshade

Very Common6 obs.

Acer macrophyllum

Big-Leaf Maple

Very Common6 obs.

Hedera helix

ivy

Very Common6 obs.

Melissa officinalis

balm

Common5 obs.

Oemleria cerasiformis

Indian plum

Common4 obs.

Ribes sanguineum

Flowering Currant

Common4 obs.

Geranium lucidum

Shining geranium

Common4 obs.

Polystichum munitum

western sword fern

Common4 obs.

Melospiza melodia

Song Sparrow

Common4 obs.

Pandion haliaetus

osprey

Occasional4 obs.

Pipilo maculatus

Spotted Towhee (Maculatus Group)

Occasional4 obs.

Daucus carota

wild carrot

Occasional4 obs.

Turdus migratorius

American Robin

Occasional4 obs.

Colaptes auratus

common flicker

Occasional4 obs.

Cathartes aura

Turkey Vulture

Occasional4 obs.

Corvus brachyrhynchos

American Crow

Rare3 obs.

Thamnophis ordinoides

Northwestern Garter Snake

Rare3 obs.

Nebria brevicollis

Rare3 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 Oregon City. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+194%

vs. Regional Average

Compared to 8 nearby locations in Clackamas County County, Oregon

Nearby Natural Areas

Clackamas County

Importance: 0.44

100 species

0% vs. current

West Linn

Importance: 0.40

100 species

0% vs. current

Sandy

Importance: 0.40

39 species

+156% vs. current

Canby

Importance: 0.35

11 species

+809% vs. current

Molalla

Importance: 0.35

2 species

+4900% vs. current

Little Crater Lake

Importance: 0.35

8 species

+1150% vs. current

Timothy Lake

Importance: 0.35

4 species

+2400% vs. current

Enid Lake

Importance: 0.35

4 species

+2400% 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 Clackamas 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

+194%

vs. Regional Average

Compared to 8 nearby locations in Clackamas County County, Oregon

Nearby Natural Areas

Clackamas County

Importance: 0.44

100 species

0% vs. current

West Linn

Importance: 0.40

100 species

0% vs. current

Sandy

Importance: 0.40

39 species

+156% vs. current

Canby

Importance: 0.35

11 species

+809% vs. current

Molalla

Importance: 0.35

2 species

+4900% vs. current

Little Crater Lake

Importance: 0.35

8 species

+1150% vs. current

Timothy Lake

Importance: 0.35

4 species

+2400% vs. current

Enid Lake

Importance: 0.35

4 species

+2400% 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

Regional Rank

Out of 18 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 18 locations

83th percentile for diversity

vs. Clackamas County

0% species diversity

Most Common Species

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

Arbutus menziesii

Pacific madrone

Very Common7 obs.

Cytisus scoparius

Scotch broom

Very Common6 obs.

Solanum dulcamara

bittersweet, woody nightshade

Very Common6 obs.

Acer macrophyllum

Big-Leaf Maple

Very Common6 obs.

Hedera helix

ivy

Very Common6 obs.

Melissa officinalis

balm

Common5 obs.

Oemleria cerasiformis

Indian plum

Common4 obs.

Ribes sanguineum

Flowering Currant

Common4 obs.

Geranium lucidum

Shining geranium

Common4 obs.

Polystichum munitum

western sword fern

Common4 obs.

Melospiza melodia

Song Sparrow

Common4 obs.

Pandion haliaetus

osprey

Occasional4 obs.

Pipilo maculatus

Spotted Towhee (Maculatus Group)

Occasional4 obs.

Daucus carota

wild carrot

Occasional4 obs.

Turdus migratorius

American Robin

Occasional4 obs.

Colaptes auratus

common flicker

Occasional4 obs.

Cathartes aura

Turkey Vulture

Occasional4 obs.

Corvus brachyrhynchos

American Crow

Rare3 obs.

Thamnophis ordinoides

Northwestern Garter Snake

Rare3 obs.

Nebria brevicollis

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.