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The Golden Gate Raptor Observatory's (GGRO) mission is to inspire the preservation of California raptor populations. The GGRO was formed in the early 1980s to track the Golden Gate migration, an annual flight of tens of thousands of hawks, eagles, falcons, and vultures, birds collectively called “raptors.”
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Volunteer Kendra Armer releases an American Kestrel after banding
Michael Armer
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Hawkwatcher Caryl Carr measures the wind
John Odell
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Bander Ari La Porte holds a Sharp-shinned Hawk
Jessica Weinberg-McClosky/Parks Conservancy
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The spotting scope is an essential tool for hawkwatchers
Nelia White
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Banders take apart and remove the blinds at the end of each season
Teresa Ely/GGRO
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Twin Peaks makes a great high point for telemetrists tracking a hawk through the city
Eileen Richey
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2016 intern Emily Pierce takes the crucial wing chord measurement of a juvenile Cooper's Hawk
Laura Young/GGRO
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Tracking a hawk with radiotelemetry can take you to far-flung places
Lorri Gong