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Raptor Species Timing & Frequencies in the Marin Headlands
From this chart you can see approximately when a particular raptor is likely to be seen at Hawk Hill during the fall migration (August 20th through December 20). Within one color code, the chart shows relative frequency of raptors seen on Hawk Hill.

IMPORTANT: These data are preliminary and unverified. They may not be cited or reproduced except by permission from the GGRO. Contact the GGRO for information on obtaining official publications.

Thousands of sightings per season
Hundreds of sightings per season
Average less than 50 sightings per season
About 100 sightings per season

Raptor Trend Graph
These charts were compiled by Lara Moeckly and Jessica Kirchhoffer.

Contact the GGRO:

Mail:
Golden Gate Raptor Observatory
Building 201, Fort Mason
San Francisco, CA 94123

Phone:
(415) 331-0730

E-mail address:
ggro@parksconservancy.org

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