Natrona County

Ecosystem Overview

The Natrona County ecosystem supports 100 documented wildlife species across 85 taxonomic genera. Located in Natrona County, Wyoming, 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 Casper, Natrona County hosts 317% more species diversity. This location ranks #1 for species diversity among 4 Natrona County County natural areas, placing it in the 75th 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 4 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 4 locations

75th percentile for diversity

vs. Casper

+317% 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.

Antilocapra americana

pronghorn

Very Common9 obs.

Asclepias speciosa

showy milkweed

Very Common6 obs.

Linanthus pungens

granite prickly phlox

Very Common5 obs.

Sarcobatus vermiculatus

greasewood

Very Common5 obs.

Calamospiza melanocorys

Lark Bunting

Very Common5 obs.

Phlox hoodii

Hood's phlox

Common4 obs.

Astragalus simplicifolius

Common4 obs.

Elaeagnus angustifolia

Russian olive

Common4 obs.

Tyrannus verticalis

Western Kingbird

Common3 obs.

Pelecanus erythrorhynchos

American White Pelican

Common3 obs.

Artemisia cana

silver sagebrush

Common3 obs.

Populus deltoides

Match Poplar

Occasional3 obs.

Calochortus gunnisonii

Occasional3 obs.

Astragalus bisulcatus

two-groove milk-vetch

Occasional3 obs.

Oxytropis nana

Occasional3 obs.

Larus californicus

California Gull

Occasional3 obs.

Mergus merganser

goosander

Occasional3 obs.

Actitis macularius

spotted sandpiper

Rare2 obs.

Recurvirostra americana

American avocet

Rare2 obs.

Euptoieta claudia

Variegated Fritillary

Rare2 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 Natrona County. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+456%

vs. Regional Average

Compared to 3 nearby locations in Natrona County County, Wyoming

Nearby Natural Areas

Casper

Importance: 0.46

24 species

+317% vs. current

Casper Mountain

Importance: 0.24

16 species

+525% vs. current

Johnson Reservoir Number 1

Importance: 0.20

14 species

+614% 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 Natrona 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

+456%

vs. Regional Average

Compared to 3 nearby locations in Natrona County County, Wyoming

Nearby Natural Areas

Casper

Importance: 0.46

24 species

+317% vs. current

Casper Mountain

Importance: 0.24

16 species

+525% vs. current

Johnson Reservoir Number 1

Importance: 0.20

14 species

+614% 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 4 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 4 locations

75th percentile for diversity

vs. Casper

+317% species diversity

Most Common Species

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

Antilocapra americana

pronghorn

Very Common9 obs.

Asclepias speciosa

showy milkweed

Very Common6 obs.

Linanthus pungens

granite prickly phlox

Very Common5 obs.

Sarcobatus vermiculatus

greasewood

Very Common5 obs.

Calamospiza melanocorys

Lark Bunting

Very Common5 obs.

Phlox hoodii

Hood's phlox

Common4 obs.

Astragalus simplicifolius

Common4 obs.

Elaeagnus angustifolia

Russian olive

Common4 obs.

Tyrannus verticalis

Western Kingbird

Common3 obs.

Pelecanus erythrorhynchos

American White Pelican

Common3 obs.

Artemisia cana

silver sagebrush

Common3 obs.

Populus deltoides

Match Poplar

Occasional3 obs.

Calochortus gunnisonii

Occasional3 obs.

Astragalus bisulcatus

two-groove milk-vetch

Occasional3 obs.

Oxytropis nana

Occasional3 obs.

Larus californicus

California Gull

Occasional3 obs.

Mergus merganser

goosander

Occasional3 obs.

Actitis macularius

spotted sandpiper

Rare2 obs.

Recurvirostra americana

American avocet

Rare2 obs.

Euptoieta claudia

Variegated Fritillary

Rare2 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.