Download a professional PDF field guide featuring all the species found in Larimer County. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 77 total documented species.

Mountain Chickadee
Western Meadowlark
American Robin
Dark-Eyed Junco

Broad-Tailed Hummingbird
Lark Bunting
Mule Deer
Myrtle Warbler

Goldmantelziesel
Hermit Thrush
Ruby-Crowned Kinglet

Common Stonecrop

Sand-Lily
Shorelark

Yellow-Bellied Marmot

Greek Milkweed

Hunt Bumble Bee



Mountain-Mahogany
Get all 77 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Larimer County County, Colorado
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 Larimer County County.
The Larimer County ecosystem supports 77 documented wildlife species across 69 taxonomic genera. Located in Larimer County, Colorado, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Fort Collins, Larimer County hosts 13% more species diversity.