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 42 total documented species.

Anna'S Hummingbird
Gila Woodpecker


Monkeypod

California Fagonia

Acacia Mistletoe

Killy-Killy

Arizona Lupine


Castor
White-Winged Dove
Mourning Dove
Northern Mockingbird
Black Phoebe
Collared Dove

Blue Paloverde

Asian Mustard
Get all 42 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Yuma 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 Yuma County County.
The Colorado River ecosystem supports 42 documented wildlife species across 40 taxonomic genera. Located in Yuma County, Arizona, this area provides critical habitat with diverse natural communities. The location hosts 9 frequently observed species and 8 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Río Colorado, Colorado River hosts 0% more species diversity.