"Ornithologist"

#12664504

21 August 2025

A cattle egret takes flight from a tree in Bhaktapur, Nepal, on August 21, 2025. Cattle egrets are commonly found in wetlands, grasslands, and agricultural fields across Nepal.

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#12664505

21 August 2025

A cattle egret takes flight from a tree in Bhaktapur, Nepal, on August 21, 2025. Cattle egrets are commonly found in wetlands, grasslands, and agricultural fields across Nepal.

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#12664506

21 August 2025

A cattle egret takes flight from a tree in Bhaktapur, Nepal, on August 21, 2025. Cattle egrets are commonly found in wetlands, grasslands, and agricultural fields across Nepal.

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#12664507

21 August 2025

A cattle egret takes flight from a tree in Bhaktapur, Nepal, on August 21, 2025. Cattle egrets are commonly found in wetlands, grasslands, and agricultural fields across Nepal.

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#12406560

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. 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.

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#12406568

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. Allison Paules Nelson, Executive Director of Gold Country Avian Studies and an ornithologist, mentors Storm Whitney to help with bird banding and collection of data such as species identification, age, and sex.

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#12406580

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. 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.

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#12406582

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. Allison Paules Nelson, Executive Director of Gold Country Avian Studies and an ornithologist, mentors and trains volunteers to help with bird banding and data collection, such as species identification, age, and sex. Nelson takes measurements.

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#12406583

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. 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.

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#12406585

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. 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.

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#12406541

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. Elsa Chen, a biologist, takes measurements to help select the correct band size.

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#12406546

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. Elsa Chen, a biologist, holds a bird gently, using techniques that prevent stress from building in the bird being studied.

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#12406553

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. Elsa Chen, a biologist, estimates a bird's age by analyzing its wings.

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#12406554

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. Elsa Chen, a biologist, gently fits a band on a bird being studied.

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#12406559

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. Elsa Chen and Storm Whitney take and record measurements during bird banding fieldwork.

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#12406561

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. Elsa Chen, a biologist, takes weight measurements.

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