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Empire Mine Bird Monitoring Program
Gold Country Avian Studies (GCAS) continues bird banding and data collection for the Empire Mine Bird Monitoring Program in Grass Valley, Calif., on May 10, 2025. Nelson gently removes a bird from one of the station's nets to study. (Photo by Penny Collins/NurPhoto) -
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Empire Mine Bird Monitoring Demonstration For Sierra Services For The Blind And Visually Impaired
Gold Country Avian Studies (GCAS) conducts bird banding and data collection for the Empire Mine Bird Monitoring Program while hosting an adaptive workshop for members of the Sierra Services for the Blind and Visually Impaired in Grass Valley, Calif., on May 10, 2025. Nelson shares concerns about potential impacts on avian research if the Trump administration's cuts in biological research at the U.S. Geological Survey (USGS) go through. (Photo by Penny Collins/NurPhoto) -
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Empire Mine Bird Monitoring Program
Gold Country Avian Studies (GCAS) continues bird banding and data collection for the Empire Mine Bird Monitoring Program in Grass Valley, Calif., on May 10, 2025. Elsa Chen, a biologist, estimates a bird's age by analyzing its wings. (Photo by Penny Collins/NurPhoto) -
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Empire Mine Bird Monitoring Program
Gold Country Avian Studies (GCAS) continues bird banding and data collection for the Empire Mine Bird Monitoring Program in Grass Valley, Calif., on May 10, 2025. Allison Paules Nelson, Executive Director of Gold Country Avian Studies and an ornithologist, mentors and trains volunteers to help with bird banding and collection of data such as species identification, age, and sex. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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University Of California Students Collect Insects
University of California students collect insects in a field within Empire Mine State Park in Grass Valley, Calif., on May 10, 2025. (Photo by Penny Collins/NurPhoto) -
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Perennial Flax And Golden Lupine Wildflowers
Golden lupine, a western native flower, grows wild along a parking lot in Grass Valley, Calif., on May 7, 2025. (Photo by Penny Collins/NurPhoto) -
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Perennial Flax And Golden Lupine Wildflowers
Golden lupine, a western native flower, grows wild along a parking lot in Grass Valley, Calif., on May 7, 2025. (Photo by Penny Collins/NurPhoto) -
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Perennial Flax And Golden Lupine Wildflowers
Perennial flax and golden lupine grow wild along a parking lot in Grass Valley, Calif., on May 7, 2025. (Photo by Penny Collins/NurPhoto) -
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Perennial Flax And Golden Lupine Wildflowers
Golden lupine, a western native flower, grows wild along a parking lot in Grass Valley, Calif., on May 7, 2025. (Photo by Penny Collins/NurPhoto)