Troutdale

Ecosystem Overview

The Troutdale ecosystem supports 61 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 39% more documented species, Troutdale offers unique wildlife observation opportunities. This location ranks #5 for species diversity among 21 Multnomah County County natural areas, placing it in the 76th 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 Common13 species

Common18 species

Occasional18 species

Rare12 species

Regional Context

Regional Ranking

#5 of 21 locations

76th percentile for diversity

vs. Multnomah County

-39% 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 61 total documented species.

Daucus carota

wild carrot

Very Common3 obs.

Sturnus vulgaris

starling

Very Common2 obs.

Harmonia axyridis

Harlequin ladybird

Very Common2 obs.

Verbascum thapsus

Aaron'S-Rod

Very Common2 obs.

Cardamine hirsuta

hairy bitter-cress

Very Common2 obs.

Salticus scenicus

Zebra Jumper

Common1 obs.

Papilio rutulus

Western Tiger Swallowtail

Common1 obs.

Psyllobora vigintimaculata

Common1 obs.

Pyrrharctia isabella

Isabella Tiger Moth

Common1 obs.

Bombycilla cedrorum

cedar waxwing

Common1 obs.

Catocala semirelicta

Common1 obs.

Araneus diadematus

european garden spider

Occasional1 obs.

Calypte anna

Anna's Hummingbird

Occasional1 obs.

Catostomus macrocheilus

Largescale Sucker

Occasional1 obs.

Sylvilagus floridanus

Lapin A Queue Blanche

Occasional1 obs.

Lontra canadensis

River Otter

Occasional1 obs.

Bombus melanopygus

Black Tail Bumble Bee

Occasional1 obs.

Colaptes auratus

common flicker

Rare1 obs.

Chrysolina hyperici

Rare1 obs.

Opisthius richardsoni

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 Troutdale. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

+97%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-39% vs. current

Gresham

Importance: 0.43

62 species

-2% vs. current

Oaks Bottom Lake

Importance: 0.35

20 species

+205% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+239% vs. current

Sandy River

Importance: 0.35

16 species

+281% vs. current

Smith Lake

Importance: 0.35

15 species

+307% vs. current

Bybee Lake

Importance: 0.35

15 species

+307% vs. current

Force Lake

Importance: 0.35

5 species

+1120% 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

+97%

vs. Regional Average

Compared to 8 nearby locations in Multnomah County County, Oregon

Nearby Natural Areas

Multnomah County

Importance: 0.45

100 species

-39% vs. current

Gresham

Importance: 0.43

62 species

-2% vs. current

Oaks Bottom Lake

Importance: 0.35

20 species

+205% vs. current

Crystal Springs Lake

Importance: 0.35

18 species

+239% vs. current

Sandy River

Importance: 0.35

16 species

+281% vs. current

Smith Lake

Importance: 0.35

15 species

+307% vs. current

Bybee Lake

Importance: 0.35

15 species

+307% vs. current

Force Lake

Importance: 0.35

5 species

+1120% 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 Common13 species

Common18 species

Occasional18 species

Rare12 species

Regional Context

Regional Ranking

#5 of 21 locations

76th percentile for diversity

vs. Multnomah County

-39% species diversity

Most Common Species

Showing 20 most frequently observed species out of 61 total documented species.

Daucus carota

wild carrot

Very Common3 obs.

Sturnus vulgaris

starling

Very Common2 obs.

Harmonia axyridis

Harlequin ladybird

Very Common2 obs.

Verbascum thapsus

Aaron'S-Rod

Very Common2 obs.

Cardamine hirsuta

hairy bitter-cress

Very Common2 obs.

Salticus scenicus

Zebra Jumper

Common1 obs.

Papilio rutulus

Western Tiger Swallowtail

Common1 obs.

Psyllobora vigintimaculata

Common1 obs.

Pyrrharctia isabella

Isabella Tiger Moth

Common1 obs.

Bombycilla cedrorum

cedar waxwing

Common1 obs.

Catocala semirelicta

Common1 obs.

Araneus diadematus

european garden spider

Occasional1 obs.

Calypte anna

Anna's Hummingbird

Occasional1 obs.

Catostomus macrocheilus

Largescale Sucker

Occasional1 obs.

Sylvilagus floridanus

Lapin A Queue Blanche

Occasional1 obs.

Lontra canadensis

River Otter

Occasional1 obs.

Bombus melanopygus

Black Tail Bumble Bee

Occasional1 obs.

Colaptes auratus

common flicker

Rare1 obs.

Chrysolina hyperici

Rare1 obs.

Opisthius richardsoni

Rare1 obs.

Want the Complete Field Guide?

Get all 61 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.