"scientific study of birds"

#12406572

25 May 2025

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.

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#12406577

25 May 2025

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.

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#12406578

25 May 2025

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.

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#12406571

25 May 2025

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 walks to one of the nets to gather a bird to be studied.

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#12406589

25 May 2025

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. Members and volunteers pass around a leg gauge used for measuring appropriate band sizes.

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#12406590

25 May 2025

Gold Country Avian Studies (GCAS) conducts bird banding and data collection for the Empire Mine Bird Monitoring Program and hosts an adaptive workshop for members of the Sierra Services for the Blind and Visually Impaired in Grass Valley, Calif., on May 10, 2025. Nelson greets Sierra Services for the Blind and Visually Impaired.

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#12406591

25 May 2025

Gold Country Avian Studies (GCAS) conducts bird banding and data collection for the Empire Mine Bird Monitoring Program and hosts an adaptive workshop for members of the Sierra Services for the Blind and Visually Impaired in Grass Valley, Calif., on May 10, 2025. Nelson greets Sierra Services for the Blind and Visually Impaired.

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#12406592

25 May 2025

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. Members and volunteers pass around and feel bird bands.

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#12406593

25 May 2025

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, California, on May 10, 2025. Nelson (center) guides members of the group to feel a bird's feathers.

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#12406594

25 May 2025

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 places a bird in a member's hands.

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#12406595

25 May 2025

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.

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#12406596

25 May 2025

Gold Country Avian Studies (GCAS) conducts bird banding and data collection for the Empire Mine Bird Monitoring Program and hosts an adaptive workshop for members of the Sierra Services for the Blind and Visually Impaired in Grass Valley, Calif., on May 10, 2025.

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#12406597

25 May 2025

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 guides members of the group to feel a bird's feathers.

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#12406598

25 May 2025

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, California, on May 10, 2025. Nelson (center) guides members of the group to feel a bird's feathers.

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#12406599

25 May 2025

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 (2nd from R) guides members in releasing a bird back into its habitat.

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#12406600

25 May 2025

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 (2nd from R) guides members in releasing a bird back into its habitat.

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