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Gresham

Ecosystem Overview

The Gresham ecosystem supports 62 documented wildlife species across 60 taxonomic genera. Located in multnomah county, oregon, this area provides critical habitat with diverse natural communities. The location hosts 13 frequently observed species and 12 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Multnomah County nearby has 38% more documented species, Gresham offers unique wildlife observation opportunities. This location ranks #4 for species diversity among 21 multnomah county County natural areas, placing it in the 81th percentile for biodiversity.

Biodiversity Highlights

62
Total Species
Documented wildlife species
60
Genus Diversity
Taxonomic genera represented
32
Common Species
Frequently observed species
30
Rare Species
Occasionally documented species
#4
Regional Rank
Out of 21 locations

Species Distribution

Very Common13 species
Common19 species
Occasional18 species
Rare12 species

Regional Context

Regional Ranking
#4 of 21 locations
81th percentile for diversity
vs. Multnomah County
-38% species diversity

Most Common Species

Showing 20 most frequently observed species out of 62 total documented species.

Chamaenerion angustifolium

Chamaenerion angustifolium

French-Willow

Very Common2 obs.
Monadenia fidelis

Monadenia fidelis

Very Common2 obs.
Polygonum aviculare

Polygonum aviculare

knotgrass

Very Common2 obs.
Thuja plicata

Thuja plicata

giant arborvitae

Very Common2 obs.
Alliaria petiolata

Alliaria petiolata

garlic mustard

Very Common2 obs.
Melospiza melodia

Melospiza melodia

Song Sparrow

Common2 obs.
Pseudacris regilla

Pseudacris regilla

Pacific chorus frog

Common2 obs.
Pipilo maculatus

Pipilo maculatus

Spotted Towhee (Maculatus Group)

Common2 obs.
Castor canadensis

Castor canadensis

Canadian beaver

Common2 obs.
Lythrum salicaria

Lythrum salicaria

purple loosestrife

Common2 obs.
Hyphantria cunea

Hyphantria cunea

Autumn Webworm

Common1 obs.
Pyrrharctia isabella

Pyrrharctia isabella

Isabella Tiger Moth

Occasional1 obs.
Anthomyia procellaris

Anthomyia procellaris

Occasional1 obs.
Neacoryphus bicrucis

Neacoryphus bicrucis

Occasional1 obs.
Catharus ustulatus

Catharus ustulatus

Swainson's Thrush

Occasional1 obs.
Ambystoma gracile

Ambystoma gracile

Northwestern Salamander

Occasional1 obs.
Lithobates catesbeianus

Lithobates catesbeianus

Common Bullfrog

Occasional1 obs.
Salticus scenicus

Salticus scenicus

Zebra Jumper

Rare1 obs.
Bassaniana utahensis

Bassaniana utahensis

Rare1 obs.
Diabrotica undecimpunctata

Diabrotica undecimpunctata

Spotted Cucumber Beetle

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 Gresham. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement Greshamwithin 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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