Learn more about raptors at the Golden Gate Raptors Observatory.


Raptor migration trends at the Marin Headlands

Timing Profiles by Species

WHEN DO DIFFERENT RAPTORS PASS BY HAWK HILL? These graphs show how often a specific raptor has been sighted on any day of the season (normalized as raptors per hour of effort, or RPH). Historically, the peak of "Peak" is September 24th, with an average RPH of 95. Each species...
Hawk in flight over Bay.
Join us for a lightning talk on Raptors of the Golden Gate – with Golden Gate Raptor Observatory director Allen Fish.
Golden Gate Raptor Observatory intern Kirsti Carr.
Park E-Ventures Article
After a few minutes of listing bird qualities, Kirsti Carr stops herself and laughs. “I love everything about birds,” she admits. “They’re just weird!”
The chicks look anxious for their next meal. From the nest cameras on UC Berkeley’s Campanile Tower where Peregrine Falcons Annie and Grinnell have been nesting since 2017, and two baby chicks hatched in April 2019.
Our Work
The falcon chicks have hatched, and the world is watching! Check out our favorite moments in this gallery.
A great horned owl.
By Jainita Patel San Francisco Park Stewardship Intern It’s March and you know what that means—bird season! Soon, Lands End will be covered in passing migratory birds of all colors, shapes, and sizes. However, one particular bird caught my eye last month and it wasn’t a migratory bird—and it wasn’t...
On the lookout for hawks passing by
Hawk watch
July 21, 2009
Golden Gate Raptor Observatory celebrates citizen science at California’s major raptor migration site.
Hawk Hill
Park E-Ventures Article
Here’s a holiday gift from the park trail crew that truly everyone will enjoy: a newly finished, accessible trail segment that offers some of the most breathtaking vistas in the Bay Area—of the Golden Gate, Pacific Ocean, and Marin Headlands.
Hawk watch
Our Work

Golden Gate Raptor Observatory

Thousands of raptors fly over Hawk Hill in the Marin Headlands, and hundreds of volunteers stand atop to count them.
Red-tailed Hawk monitoring
Our Work

Golden Gate Raptor Observatory

In 2012, the GGRO is able to use brand-new technology to help us track bird movements.