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Southwest Hills

Ecosystem Overview

The Southwest Hills ecosystem supports 47 documented wildlife species across 45 taxonomic genera. Located in multnomah county, oregon, this area provides critical habitat with diverse natural communities. The location hosts 10 frequently observed species and 9 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Multnomah County nearby has 53% more documented species, Southwest Hills offers unique wildlife observation opportunities. This location ranks #7 for species diversity among 21 multnomah county County natural areas, placing it in the 67th percentile for biodiversity.

Biodiversity Highlights

47
Total Species
Documented wildlife species
45
Genus Diversity
Taxonomic genera represented
24
Common Species
Frequently observed species
23
Rare Species
Occasionally documented species
#7
Regional Rank
Out of 21 locations

Species Distribution

Very Common10 species
Common14 species
Occasional14 species
Rare9 species

Regional Context

Regional Ranking
#7 of 21 locations
67th percentile for diversity
vs. Multnomah County
-53% species diversity

Most Common Species

Showing 20 most frequently observed species out of 47 total documented species.

Boisea rubrolineata

Boisea rubrolineata

Very Common2 obs.
Ariolimax columbianus

Ariolimax columbianus

Pacific banana slug

Very Common2 obs.
Tolmiea menziesii

Tolmiea menziesii

youth-on-age

Very Common2 obs.
Hedera helix

Hedera helix

ivy

Very Common2 obs.
Poecile atricapillus

Poecile atricapillus

Black-capped chickadee

Very Common2 obs.
Vancouveria hexandra

Vancouveria hexandra

deciduous vancouvaria

Common2 obs.
Cystopteris fragilis

Cystopteris fragilis

brittle bladder fern

Common1 obs.
Melospiza melodia

Melospiza melodia

Song Sparrow

Common1 obs.
Sitta canadensis

Sitta canadensis

Red-breasted Nuthatch

Common1 obs.
Tamiasciurus douglasii

Tamiasciurus douglasii

Douglas's Squirrel

Common1 obs.
Trillium ovatum

Trillium ovatum

Western White Wakerobin

Common1 obs.
Plethodon vehiculum

Plethodon vehiculum

Western Red-backed Salamander

Occasional1 obs.
Equisetum telmateia

Equisetum telmateia

Great Horsetail

Occasional1 obs.
Polystichum munitum

Polystichum munitum

western sword fern

Occasional1 obs.
Pseudotsuga menziesii

Pseudotsuga menziesii

Oregon Pine

Occasional1 obs.
Adiantum aleuticum

Adiantum aleuticum

Western Maidenhair Fern

Occasional1 obs.
Arion ater

Arion ater

European black slug

Occasional1 obs.
Bromus vulgaris

Bromus vulgaris

Columbia brome

Rare1 obs.
Araneus diadematus

Araneus diadematus

european garden spider

Rare1 obs.
Cycloneda polita

Cycloneda polita

Rare1 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Multnomah County

Discover 8 other wildlife-rich locations near Southwest Hills. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement Southwest Hillswithin Multnomah County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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