Celebrating the Colorado River
The Colorado River is one of the hardest working rivers in the West. The Nature Conservancy is working hard across the entire Colorado River Basin to protect this amazing river and resource.
Wildlife
From amazing mammals to migratory birds to fish species found nowhere else on Earth, the vast array of wildlife in the Colorado River Basin represents the wonders of the West.
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Thinkstock
Preserving the Incredible Wildlife of the Colorado River Basin
From mammals to migratory birds to fish species found nowhere else on Earth, the diversity of wildlife in the Colorado River Basin represents the wonders of the West. TNC has identified over 150 at-risk species that depend on the river for survival.

Juvenile
A tiny razorback sucker larvae.
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TNC
Blog
Utah Nursery Gives Endangered Fish a Place to Grow
The razorback sucker fish has thrived in the Colorado River for millions of years—until recent decades. Just a few years ago, only six razorback sucker fish larvae were recorded at TNC’s Scott and Norma Matheson Preserve in Moab, UT.