Linnton

Ecosystem Overview

The Linnton ecosystem supports 78 documented wildlife species across 76 taxonomic genera. Located in Multnomah County, Oregon, 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 Multnomah County nearby has 22% more documented species, Linnton offers unique wildlife observation opportunities. This location ranks #3 for species diversity among 21 Multnomah County County natural areas, placing it in the 86th 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

Regional Rank

Out of 21 locations

Species Distribution

Very Common16 species

Common24 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#3 of 21 locations

86th percentile for diversity

vs. Multnomah County

-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.

Taxus brevifolia

Canadian Yew

Very Common5 obs.

Thamnophis ordinoides

Northwestern Garter Snake

Very Common4 obs.

Dicamptodon tenebrosus

Pacific Giant Salamander

Very Common4 obs.

Thuja plicata

giant arborvitae

Very Common4 obs.

Polystichum munitum

western sword fern

Very Common3 obs.

Monadenia fidelis

Common3 obs.

Taricha granulosa

Rough-skinned Newt

Common3 obs.

Vancouveria hexandra

deciduous vancouvaria

Common3 obs.

Tsuga heterophylla

western hemlock

Common3 obs.

Coccinella septempunctata

7-spot ladybird

Common2 obs.

Vaccinium parvifolium

red-huckleberry

Common2 obs.

Adiantum aleuticum

Western Maidenhair Fern

Occasional2 obs.

Plethodon vehiculum

Western Red-backed Salamander

Occasional2 obs.

Lobaria pulmonaria

Lungwort

Occasional2 obs.

Calocera cornea

Small Stagshorn

Occasional2 obs.

Arion ater

European black slug

Occasional1 obs.

Ariolimax columbianus

Pacific banana slug

Occasional1 obs.

Thecabius populimonilis

Rare1 obs.

Antheraea polyphemus

Polyphemus Moth

Rare1 obs.

Tylobolus uncigerus

Rare1 obs.

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Most Common Species

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Get Your Personalized Field Guide

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

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Regional Comparison

Regional Ranking

Species Count

+152%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-22% vs. current

Gresham

Importance: 0.43

62 species

+26% vs. current

Oaks Bottom Lake

Importance: 0.35

20 species

+290% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+333% vs. current

Sandy River

Importance: 0.35

16 species

+388% vs. current

Smith Lake

Importance: 0.35

15 species

+420% vs. current

Bybee Lake

Importance: 0.35

15 species

+420% vs. current

Force Lake

Importance: 0.35

5 species

+1460% 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

+152%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-22% vs. current

Gresham

Importance: 0.43

62 species

+26% vs. current

Oaks Bottom Lake

Importance: 0.35

20 species

+290% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+333% vs. current

Sandy River

Importance: 0.35

16 species

+388% vs. current

Smith Lake

Importance: 0.35

15 species

+420% vs. current

Bybee Lake

Importance: 0.35

15 species

+420% vs. current

Force Lake

Importance: 0.35

5 species

+1460% 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

Regional Rank

Out of 21 locations

Species Distribution

Very Common16 species

Common24 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#3 of 21 locations

86th percentile for diversity

vs. Multnomah County

-22% species diversity

Most Common Species

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

Taxus brevifolia

Canadian Yew

Very Common5 obs.

Thamnophis ordinoides

Northwestern Garter Snake

Very Common4 obs.

Dicamptodon tenebrosus

Pacific Giant Salamander

Very Common4 obs.

Thuja plicata

giant arborvitae

Very Common4 obs.

Polystichum munitum

western sword fern

Very Common3 obs.

Monadenia fidelis

Common3 obs.

Taricha granulosa

Rough-skinned Newt

Common3 obs.

Vancouveria hexandra

deciduous vancouvaria

Common3 obs.

Tsuga heterophylla

western hemlock

Common3 obs.

Coccinella septempunctata

7-spot ladybird

Common2 obs.

Vaccinium parvifolium

red-huckleberry

Common2 obs.

Adiantum aleuticum

Western Maidenhair Fern

Occasional2 obs.

Plethodon vehiculum

Western Red-backed Salamander

Occasional2 obs.

Lobaria pulmonaria

Lungwort

Occasional2 obs.

Calocera cornea

Small Stagshorn

Occasional2 obs.

Arion ater

European black slug

Occasional1 obs.

Ariolimax columbianus

Pacific banana slug

Occasional1 obs.

Thecabius populimonilis

Rare1 obs.

Antheraea polyphemus

Polyphemus Moth

Rare1 obs.

Tylobolus uncigerus

Rare1 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.