Download a professional PDF field guide featuring all the species found in Colorado River. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 78 total documented species.

Brittlebush


Pygmy-Cedar

Le Conte Barrel Cactus

Spermophile & Queue Blanche
Vagrant Grasshopper

Rock

American Coot
Rock Wren
Mallard

Koi
House Finch

Venushair
Ring-Billed Gull

Mexican Free-Tailed Bat

House Sparrow
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Get all 78 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Mohave County County, Arizona
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 Mohave County County.
The Colorado River ecosystem supports 78 documented wildlife species across 68 taxonomic genera. Located in Mohave County, Arizona, 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 Colorado River, Colorado River hosts 11% more species diversity.