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 68 total documented species.

Anna'S Hummingbird
Gila Woodpecker

Fan-Leaf Tiquilia

Mormon Tea


Yellow Trumpetbush


Acacia Mistletoe

Desert-Lantern

Killy-Killy

Monkeypod

Large Milkweed Bug

Wild Celery

Sowbane
Fennel

Arizona Lupine
California Fagonia
Get all 68 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 68 documented wildlife species across 66 taxonomic genera. Located in Yuma County, Arizona, this area provides critical habitat with diverse natural communities. The location hosts 14 frequently observed species and 13 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Colorado River, Colorado River hosts 62% more species diversity.