A report on the Colorado River Oxbow Bridge collapse August 8, 2025. The bridge connected Cibola, Arizona to Palo Verde, California in the vicinity of the Cibola Wildlife Refuge. A description of the Sierra Madre Occidental, a unique high elevation mountain region along extreme western Mexico and parts of California and Arizona. Bird of the episode: American Kestrel. Birding Hotspot: Arizona State University Research Park. Friend of Wildlife: Arizona Solar Center.