More about birds
Conservation
A novel technique collecting songbird DNA from migratory raptors, and using DNA barcoding to identify prey species, helps quantify raptor diet during migration and track trends through time.
Parks
Tune into the livestream from Alcatraz to see the fledgling Peregrine Falcon family grow before your very eyes.
Article
“This is a super exciting time for Bald Eagles in the Bay Area. We must be doing something right for Bald Eagle ecology."
Gateways Article
National Park Service biologist Lidia D’Amico works, in short, for the birds.
Conservation
All the fluffiness of the peregrine falcon chicks and their parents on Alcatraz...
In 2020, for the first time in recorded history, peregrine falcon chicks were born on Alcatraz Island. The peregrines returned in subsequent years and, in 2023, four chicks were born on the island!
Our Work
Although full interpretive talks weren’t possible in 2022, we did arrange our weekend schedules so that one GGRO staff person would also be a greeter to informally talk to people about the migration on Hawk Hill, and the results were wonderful.
Our Work
Beyond being widely misunderstood by the general public, Turkey Vultures are often misunderstood from an ecological perspective as well.
Our Work
The 2022 fall migration was a season of almost-recovery from COVID-19, but someone forgot to tip off the hawks, as we had one of our lowest overall counts in many years.
Conservation
Explore trends over 30 years of Red-shouldered Hawk migration observed at Hawk Hill.
Article
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.
Article
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.
