Tippets: Razorbacks Return to Colorado River, All About Smallmouth Bass, Dammed Up
- The endangered Razorback sucker, once thought locally extinct, has been found spawning in the lower Colorado River within Grand Canyon National Park. “I’m proud to see that Grand Canyon provides habitat once again for this unique species,” says Dave Uberuaga, Superintendent of Grand Canyon National Park, “and I’m committed to working with our cooperators to continue native fish conservation efforts within the park.”
- Smallmouth bass are fierce fighters and fun on the fly. In a recent article on the Orvis blog, Phil Monahan writes an overview of the species, its range and history, behavior and diet, and tips for success on the water.
- In recent research out of Yale University, ecologist David M. Post and his colleagues studied the changes in alewife populations trapped behind dams. They found differing gill structure as a result of changing food source. “What we’re showing is that evolution can happen rapidly and have large ecological impacts and can propagate,” Dr. Post said. “And it can happen at a human time scale.” Via The New York Times.
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