Download a professional PDF field guide featuring all the species found in North Fork of the Powder River Wilderness Study Area. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 52 total documented species.

Two Form Bumble Bee

Common Stonecrop


Nevada Bumble Bee
Silvery Blue
Common Sulphur

Spiny Milk-Vetch

Juniper

Greek Milkweed

Chives

Alpine Milkvetch
Waxflower
Greenland Lousewort

Sidebells

Heart-Leaf Arnica


Pale Beauty

Red Girdle Moth

Bicolored Moth
Get all 52 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Johnson County County, Wyoming
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 Johnson County County.
The North Fork Of The Powder River Wilderness Study Area ecosystem supports 52 documented wildlife species across 46 taxonomic genera. Located in Johnson County, Wyoming, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Johnson County nearby has 29% more documented species, North Fork Of The Powder River Wilderness Study Area offers unique wildlife observation opportunities. This location ranks #4 for species diversity among 100 Johnson County County natural areas, placing it in the 96th percentile for biodiversity.