Resident families introduced roses to Alcatraz during the military era, between 1850 and 1934. Surprisingly, roses thrived under these conditions and soon filled Alcatraz’s first gardens.
After three decades of consistently and meticulously tallying the daily fall raptor migration at the Golden Gate, we have a lot of great data, and we have an amazing ability to see a kind of baseline raptor migration story for the 19 species that are seen here annually.
Experiencing the outdoors and engaging with electronics need not be mutually exclusive. Learn how Crissy Field Center staff—and educators across the country—are harnessing new technologies to connect young people with parks and open space.
Learn more about the "Leave No Trace Seven Principles" to help minimize our actions may have on plants, animals, other people, and even entire ecosystems.
Did you know that there is an old road that connects the Mission District to the Presidio? Crissy Field Center will explore the historical connection between the Mission and the Presidio on a four-mile history hike.
We fear them not because they would kill us, but because their mere company means we may already be dead. Our imagination conjures a thirsty miner, crawling across the desert, exhaling a last gasp, and—poof!—he is theirs. Here’s an alternate view of vultures.
Feathers are a uniquely avian adaptation—or are they? While feathers can only be seen on birds today, evidence has shown that many dinosaurs also had feathers. Read on to learn about the variety—and possible purposes—of dinosaur feathers.
Featuring a new boardwalk and freshly planted wetlands, the revitalized MacArthur Meadow reached a major milestone with its March 9, 2017, ribbon-cutting.
On April 20 and 21, 2013, Bay Area teens will participate in Backyard Bound, the outdoor summit organized by the Center’s I-YEL youth leaders. This year’s theme is “How to Connect Youth to Their Environment.” Watch a video to see what this summit is all about.
This season, in 2012, the GGRO is able to use brand-new technology to help us track bird movements. On Friday, August 23 we put out a GSM (cell phone) transmitter on a female juvenile Red-tailed Hawk, nicknamed Augusta.
