Tigard

Ecosystem Overview

The Tigard ecosystem supports 100 documented wildlife species across 87 taxonomic genera. Located in Washington 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 16 Washington County County natural areas, placing it in the 81th 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 16 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 16 locations

81th percentile for diversity

vs. Hillsboro

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.

Anas platyrhynchos

mallard

Very Common6 obs.

Acer macrophyllum

Big-Leaf Maple

Very Common6 obs.

Impatiens capensis

orange balsam

Very Common5 obs.

Piranga ludoviciana

western tanager

Very Common5 obs.

Ribes sanguineum

Flowering Currant

Very Common4 obs.

Spinus tristis

American goldfinch

Common4 obs.

Geranium lucidum

Shining geranium

Common4 obs.

Cytisus scoparius

Scotch broom

Common4 obs.

Conium maculatum

hemlock

Common4 obs.

Philadelphus lewisii

Lewis' mock-orange

Common3 obs.

Pseudotsuga menziesii

Oregon Pine

Common3 obs.

Calypte anna

Anna's Hummingbird

Occasional3 obs.

Jacobaea vulgaris

Stinking willie

Occasional3 obs.

Physocarpus capitatus

Pacific ninebark

Occasional3 obs.

Fraxinus latifolia

Oregon ash

Occasional3 obs.

Bellis perennis

daisy

Occasional3 obs.

Cornus sericea

Red-osier dogwood, red willow

Occasional3 obs.

Branta canadensis

Canada goose

Rare3 obs.

Lithobates catesbeianus

Common Bullfrog

Rare3 obs.

Pachydiplax longipennis

Blue Dasher

Rare3 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 Tigard. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+72%

vs. Regional Average

Compared to 8 nearby locations in Washington County County, Oregon

Nearby Natural Areas

Hillsboro

Importance: 0.46

100 species

0% vs. current

Beaverton

Importance: 0.45

100 species

0% vs. current

Washington County

Importance: 0.43

100 species

0% vs. current

Forest Grove

Importance: 0.38

100 species

0% vs. current

Commonwealth Lake

Importance: 0.35

33 species

+203% vs. current

Wapato Marsh

Importance: 0.35

19 species

+426% vs. current

Bethany Lake

Importance: 0.35

9 species

+1011% vs. current

Oak Island Marsh

Importance: 0.35

3 species

+3233% 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 Washington 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

+72%

vs. Regional Average

Compared to 8 nearby locations in Washington County County, Oregon

Nearby Natural Areas

Hillsboro

Importance: 0.46

100 species

0% vs. current

Beaverton

Importance: 0.45

100 species

0% vs. current

Washington County

Importance: 0.43

100 species

0% vs. current

Forest Grove

Importance: 0.38

100 species

0% vs. current

Commonwealth Lake

Importance: 0.35

33 species

+203% vs. current

Wapato Marsh

Importance: 0.35

19 species

+426% vs. current

Bethany Lake

Importance: 0.35

9 species

+1011% vs. current

Oak Island Marsh

Importance: 0.35

3 species

+3233% 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 16 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 16 locations

81th percentile for diversity

vs. Hillsboro

0% species diversity

Most Common Species

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

Anas platyrhynchos

mallard

Very Common6 obs.

Acer macrophyllum

Big-Leaf Maple

Very Common6 obs.

Impatiens capensis

orange balsam

Very Common5 obs.

Piranga ludoviciana

western tanager

Very Common5 obs.

Ribes sanguineum

Flowering Currant

Very Common4 obs.

Spinus tristis

American goldfinch

Common4 obs.

Geranium lucidum

Shining geranium

Common4 obs.

Cytisus scoparius

Scotch broom

Common4 obs.

Conium maculatum

hemlock

Common4 obs.

Philadelphus lewisii

Lewis' mock-orange

Common3 obs.

Pseudotsuga menziesii

Oregon Pine

Common3 obs.

Calypte anna

Anna's Hummingbird

Occasional3 obs.

Jacobaea vulgaris

Stinking willie

Occasional3 obs.

Physocarpus capitatus

Pacific ninebark

Occasional3 obs.

Fraxinus latifolia

Oregon ash

Occasional3 obs.

Bellis perennis

daisy

Occasional3 obs.

Cornus sericea

Red-osier dogwood, red willow

Occasional3 obs.

Branta canadensis

Canada goose

Rare3 obs.

Lithobates catesbeianus

Common Bullfrog

Rare3 obs.

Pachydiplax longipennis

Blue Dasher

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.