Golden Gate Raptor Observatory

GGRO intern Kris Vanesky examines blood cells
GGRO Publications

To date, the Golden Gate Raptor Observatory (GGRO) has published 26 articles in peer-reviewed scientific journals, contributed to Master's and PhD candidates' research, and given more than 100 presentations at national and international conferences.

Tracking raptors
GGRO Research Overview

The Golden Gate Raptor Observatory coordinates volunteer scientists to monitor and track the autumn raptor migration over the Marin Headlands.

Intern Laura Echavez learning to hold a Red-tailed Hawk
GGRO Internships

 GGRO Raptor Migration Interns split their time evenly between the banding and hawkwatch programs, and work with a large and dedicated group of volunteer community scientists on a daily basis.

person with binoculars
Daily Hawk Count

Visit this page during the fall migration season (mid-August to early-December) for daily count totals.

GGRO bander Ari La Porte examines a Sharp-shinned Hawk
Raptor Banding

Specially trained volunteers sit in small blinds in the hills of the Headlands, trapping and banding raptors and taking measurements and health data.

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Volunteer at GGRO

The Golden Gate Raptor Observatory (GGRO) uses long-term volunteer-powered research programs to track the fall migration of raptors through the Marin Headlands.

A juvenile Cooper's Hawk delights a young visitor
Hawk Talks & Raptor Releases

Hawk Talks and Raptor Releases on hiatus

Two hawkwatchers scan the west quadrant
Hawkwatch

During the autumn months, our teams of volunteer hawk counters identify and tally 19 species of birds of prey, working under the leadership of an experienced dayleader.

Hawk Hill
Raptor Tracking

Raptor tracking provides a more complete picture of raptor movements between banding and recovery

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