Hart Mountain National Antelope Refuge Wildlife Guide - Wildlife Field Guide

Ecosystem Overview

The Hart Mountain National Antelope Refuge ecosystem supports 73 documented wildlife species across 59 taxonomic genera. Located in Lake County, Oregon, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #5 for species diversity among 100 Lake County County natural areas, placing it in the 95th 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 100 locations

Species Distribution

Very Common15 species

Common22 species

Occasional22 species

Rare14 species

Regional Context

Regional Ranking

#5 of 100 locations

95th percentile for diversity

vs. Lake County

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 73 total documented species.

Antilocapra americana

Antelope

Very Common5.13 obs.

Calochortus macrocarpus

Sagebrush Mariposa

Very Common5 obs.

Bombus griseocollis

Brown-Belted Bumblebee

Very Common3.84 obs.

Taraxia tanacetifolia

Tansyleaf Evening Primrose

Very Common3.16 obs.

Bombus huntii

Hunt Bumble Bee

Very Common3.1 obs.

Bombus nevadensis

Nevada Bumble Bee

Common2.92 obs.

Hemileuca eglanterina

Western Sheepmoth

Common2 obs.

Astragalus purshii

Common2 obs.

Phlox longifolia

Longleaf Phlox

Common2 obs.

Bombus centralis

Central Bumble Bee

Common2 obs.

Pipilo chlorurus

Green-Tailed Towhee

Common2 obs.

Setophaga petechia

Canary

Occasional2 obs.

Haemorhous cassinii

Cassin'S Finch

Occasional2 obs.

Astragalus curvicarpus

Occasional1.16 obs.

Mentzelia laevicaulis

Great Mentzelia

Occasional1.07 obs.

Bombus fervidus

Yellow Bumblebee

Occasional1.07 obs.

Pheucticus melanocephalus

Black-Headed Grosbeak

Occasional1 obs.

Geothlypis tolmiei

Macgillivray'S Warbler

Rare1 obs.

Colias alexandra

Alexandra Sulphur

Rare1 obs.

Ericameria nauseosa

Rabbitbrush

Rare1 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

+30%

vs. Regional Average

Compared to 8 nearby locations in Lake County County, Oregon

Nearby Natural Areas

Lake County

Importance: 0.80

73 species

0% vs. current

Fish Creek Rim Wilderness Study Area

Importance: 0.70

80 species

-9% vs. current

Diablo Mountain Wilderness Study Area

Importance: 0.70

80 species

-9% vs. current

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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Favicon Attribution: Graphics from Twemoji by Twitter, Inc and contributors Licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/ Source: https://github.com/twitter/twemoji

Most Common Species

Showing 20 most frequently observed species out of 73 total documented species.

Antilocapra americana

Antelope

Very Common5.13 obs.

Calochortus macrocarpus

Sagebrush Mariposa

Very Common5 obs.

Bombus griseocollis

Brown-Belted Bumblebee

Very Common3.84 obs.

Taraxia tanacetifolia

Tansyleaf Evening Primrose

Very Common3.16 obs.

Bombus huntii

Hunt Bumble Bee

Very Common3.1 obs.

Bombus nevadensis

Nevada Bumble Bee

Common2.92 obs.

Hemileuca eglanterina

Western Sheepmoth

Common2 obs.

Astragalus purshii

Common2 obs.

Phlox longifolia

Longleaf Phlox

Common2 obs.

Bombus centralis

Central Bumble Bee

Common2 obs.

Pipilo chlorurus

Green-Tailed Towhee

Common2 obs.

Setophaga petechia

Canary

Occasional2 obs.

Haemorhous cassinii

Cassin'S Finch

Occasional2 obs.

Astragalus curvicarpus

Occasional1.16 obs.

Mentzelia laevicaulis

Great Mentzelia

Occasional1.07 obs.

Bombus fervidus

Yellow Bumblebee

Occasional1.07 obs.

Pheucticus melanocephalus

Black-Headed Grosbeak

Occasional1 obs.

Geothlypis tolmiei

Macgillivray'S Warbler

Rare1 obs.

Colias alexandra

Alexandra Sulphur

Rare1 obs.

Ericameria nauseosa

Rabbitbrush

Rare1 obs.

Want the Complete Field Guide?

Get all 73 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.

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 100 locations

Species Distribution

Very Common15 species

Common22 species

Occasional22 species

Rare14 species

Regional Context

Regional Ranking

#5 of 100 locations

95th percentile for diversity

vs. Lake County

0% species diversity

Regional Comparison

Regional Ranking

Species Count

+30%

vs. Regional Average

Compared to 8 nearby locations in Lake County County, Oregon

Nearby Natural Areas

Lake County

Importance: 0.80

73 species

0% vs. current

Fish Creek Rim Wilderness Study Area

Importance: 0.70

80 species

-9% vs. current

Diablo Mountain Wilderness Study Area

Importance: 0.70

80 species

-9% vs. current

58 species

+26% vs. current

Guano Creek Wilderness Study Area

Importance: 0.70

53 species

+38% vs. current

Abert Rim Wilderness Study Area

Importance: 0.70

51 species

+43% vs. current

Four Craters Lava Bed Wilderness Study Area

Importance: 0.70

27 species

+170% vs. current

Lost Forest Instant Study Area

Importance: 0.70

26 species

+181% 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 Lake County County.