After a 2018 season of smoke and haze, GGRO Director Allen Fish explored impacts of air pollution on birds in his 2019 article for Pacific Raptor 40. As first responders battle wildfires across the state each year, we again wonder what effect these extreme climate phenomenon will have on raptor health and movement.
Red-tailed Hawks! This season was full of them. The 2018 field season ended with 342 Redtails banded-almost 100 Redtails above our 10-year average.
This year, significant changes to the Hawkwatch program protocols have been implemented to allow a limited number of GGRO Hawkwatchers to safely collect migration data from Hawk Hill.
For the first time in recorded history, peregrine falcons have nested on Alcatraz Island! After months of observating the pair, park biologists have spotted two fledglings.
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...
Join us for a lightning talk on Raptors of the Golden Gate – with Golden Gate Raptor Observatory director Allen Fish.
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 falcon chicks have hatched, and the world is watching! Check out our favorite moments in this gallery.
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...