San Juan County

Ecosystem Overview

The San Juan County ecosystem supports 100 documented wildlife species across 86 taxonomic genera. Located in San Juan County, Utah, 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 San Juan River, San Juan County hosts 0% more species diversity. This location ranks #1 for species diversity among 8 San Juan County County natural areas, placing it in the 88th 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 8 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 8 locations

88th percentile for diversity

vs. San Juan River

+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.

Eremophila alpestris

horned lark

Very Common646 obs.

Corvus corax

common raven

Very Common296 obs.

Chondestes grammacus

Lark Sparrow

Very Common289 obs.

Setophaga nigrescens

Black-Throated Gray Warbler

Very Common285 obs.

Amphispiza bilineata

Black-throated Sparrow

Very Common258 obs.

Myiarchus cinerascens

Ash-throated Flycatcher

Common183 obs.

Sturnella neglecta

Western Meadowlark

Common170 obs.

Thryomanes bewickii

Bewick'S Wren (Spilurus Group)

Common169 obs.

Artemisiospiza nevadensis

Sagebrush Sparrow

Common162 obs.

Vireo vicinior

Grey Vireo

Common144 obs.

Gymnorhinus cyanocephalus

pinyon jay

Common110 obs.

Polioptila caerulea

Blue-Grey Gnatcatcher

Occasional104 obs.

Haemorhous mexicanus

House Finch

Occasional104 obs.

Mimus polyglottos

Northern Mockingbird

Occasional90 obs.

Zenaida macroura

Mourning Dove

Occasional89 obs.

Aeronautes saxatalis

White-throated Swift

Occasional86 obs.

Salpinctes obsoletus

Rock Wren

Occasional83 obs.

Baeolophus ridgwayi

Juniper Titmouse

Rare78 obs.

Empidonax wrightii

American Grey Flycatcher

Rare77 obs.

Spizella passerina

Chipping Sparrow

Rare74 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 San Juan County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+1011%

vs. Regional Average

Compared to 7 nearby locations in San Juan County County, Utah

Nearby Natural Areas

Lloyds Lake

Importance: 0.35

7 species

+1329% vs. current

Recapture Reservoir

Importance: 0.35

7 species

+1329% vs. current

Monticello Lake

Importance: 0.35

2 species

+4900% vs. current

Spring Lake

Importance: 0.35

1 species

+9900% vs. current

Medicine Lakes

Importance: 0.35

1 species

+9900% vs. current

Monticello

Importance: 0.33

37 species

+170% vs. current

Blanding

Importance: 0.32

8 species

+1150% 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 San Juan 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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Regional Comparison

Regional Ranking

100

Species Count

+1011%

vs. Regional Average

Compared to 7 nearby locations in San Juan County County, Utah

Nearby Natural Areas

Lloyds Lake

Importance: 0.35

7 species

+1329% vs. current

Recapture Reservoir

Importance: 0.35

7 species

+1329% vs. current

Monticello Lake

Importance: 0.35

2 species

+4900% vs. current

Spring Lake

Importance: 0.35

1 species

+9900% vs. current

Medicine Lakes

Importance: 0.35

1 species

+9900% vs. current

Monticello

Importance: 0.33

37 species

+170% vs. current

Blanding

Importance: 0.32

8 species

+1150% 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 8 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 8 locations

88th percentile for diversity

vs. San Juan River

+0% species diversity

Most Common Species

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

Eremophila alpestris

horned lark

Very Common646 obs.

Corvus corax

common raven

Very Common296 obs.

Chondestes grammacus

Lark Sparrow

Very Common289 obs.

Setophaga nigrescens

Black-Throated Gray Warbler

Very Common285 obs.

Amphispiza bilineata

Black-throated Sparrow

Very Common258 obs.

Myiarchus cinerascens

Ash-throated Flycatcher

Common183 obs.

Sturnella neglecta

Western Meadowlark

Common170 obs.

Thryomanes bewickii

Bewick'S Wren (Spilurus Group)

Common169 obs.

Artemisiospiza nevadensis

Sagebrush Sparrow

Common162 obs.

Vireo vicinior

Grey Vireo

Common144 obs.

Gymnorhinus cyanocephalus

pinyon jay

Common110 obs.

Polioptila caerulea

Blue-Grey Gnatcatcher

Occasional104 obs.

Haemorhous mexicanus

House Finch

Occasional104 obs.

Mimus polyglottos

Northern Mockingbird

Occasional90 obs.

Zenaida macroura

Mourning Dove

Occasional89 obs.

Aeronautes saxatalis

White-throated Swift

Occasional86 obs.

Salpinctes obsoletus

Rock Wren

Occasional83 obs.

Baeolophus ridgwayi

Juniper Titmouse

Rare78 obs.

Empidonax wrightii

American Grey Flycatcher

Rare77 obs.

Spizella passerina

Chipping Sparrow

Rare74 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.