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Volunteer radiotrackers fit a banded hawk with a radio transmitter weighing less than 3 percent of body weight, and follow the hawk constantly as it moves through California.

This volunteer program is currently on pause and not hosting weekly/monthly events. Please view our active events calendar to browse available volunteer opportunities in the parks. With national park lands and urban communities intersecting, help us ensure local rare species and unique ecological habitats will be here for generations to come.

When: Group Projects by Request Where: Presidio of San Francisco Help enhance the Presidio’s historic gardens and grounds, as well as support the park efforts to become a model of environmental sustainability.

For our conservation efforts, we gather and analyze scientific information from Stewardship sites with the goal of maintaining healthy ecosystems. This information is used to develop plans that guide our volunteer programs and restoration efforts.