Union County

Ecosystem Overview

The Union County ecosystem supports 100 documented wildlife species across 93 taxonomic genera. Located in Union 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. Compared to nearby La Grande, Union County hosts 2400% more species diversity. This location ranks #1 for species diversity among 2 Union County County natural areas, placing it in the 50th 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 2 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 2 locations

50th percentile for diversity

vs. La Grande

+2400% 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.

Xanthocephalus xanthocephalus

yellow-headed blackbird

Very Common9 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common7 obs.

Eriogonum heracleoides

Wyeth's buckwheat

Very Common7 obs.

Buteo swainsoni

Swainson's hawk

Very Common7 obs.

Tachycineta bicolor

Tree/Violet-Green Swallow

Very Common6 obs.

Spatula cyanoptera

Cinnamon Teal

Common5 obs.

Pinus ponderosa

yellow-pine

Common5 obs.

Fulica americana

American Coot

Common4 obs.

Spatula clypeata

Northern Shoveler

Common4 obs.

Taxus brevifolia

Canadian Yew

Common4 obs.

Tyrannus verticalis

Western Kingbird

Common4 obs.

Centaurea cyanus

cornflower

Occasional4 obs.

Geothlypis trichas

Common Yellowthroat (Arizela Group)

Occasional4 obs.

Zenaida macroura

Mourning Dove

Occasional3 obs.

Erythronium grandiflorum

glacier-lily

Occasional3 obs.

Calochortus eurycarpus

Occasional3 obs.

Calochortus elegans

Occasional3 obs.

Oxyura jamaicensis

Ruddy Duck

Rare3 obs.

Aythya americana

Redhead

Rare3 obs.

Euphagus cyanocephalus

Brewer's blackbird

Rare3 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

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

$6.99

Get Your Personalized Field Guide

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

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$6.99

Regional Comparison

Regional Ranking

100

Species Count

+2400%

vs. Regional Average

Compared to 1 nearby locations in Union County County, Oregon

Nearby Natural Areas

La Grande

Importance: 0.41

4 species

+2400% 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 Union 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

+2400%

vs. Regional Average

Compared to 1 nearby locations in Union County County, Oregon

Nearby Natural Areas

La Grande

Importance: 0.41

4 species

+2400% 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 2 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 2 locations

50th percentile for diversity

vs. La Grande

+2400% species diversity

Most Common Species

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

Xanthocephalus xanthocephalus

yellow-headed blackbird

Very Common9 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common7 obs.

Eriogonum heracleoides

Wyeth's buckwheat

Very Common7 obs.

Buteo swainsoni

Swainson's hawk

Very Common7 obs.

Tachycineta bicolor

Tree/Violet-Green Swallow

Very Common6 obs.

Spatula cyanoptera

Cinnamon Teal

Common5 obs.

Pinus ponderosa

yellow-pine

Common5 obs.

Fulica americana

American Coot

Common4 obs.

Spatula clypeata

Northern Shoveler

Common4 obs.

Taxus brevifolia

Canadian Yew

Common4 obs.

Tyrannus verticalis

Western Kingbird

Common4 obs.

Centaurea cyanus

cornflower

Occasional4 obs.

Geothlypis trichas

Common Yellowthroat (Arizela Group)

Occasional4 obs.

Zenaida macroura

Mourning Dove

Occasional3 obs.

Erythronium grandiflorum

glacier-lily

Occasional3 obs.

Calochortus eurycarpus

Occasional3 obs.

Calochortus elegans

Occasional3 obs.

Oxyura jamaicensis

Ruddy Duck

Rare3 obs.

Aythya americana

Redhead

Rare3 obs.

Euphagus cyanocephalus

Brewer's blackbird

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.