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Just two weeks before the BioBlitz in the Golden Gate National Parks, the Crissy Field Center’s Project WISE (Watersheds Inspiring Student Education) program will hold their annual Environmental Science Symposium. On March 19 and 20, Advanced Placement Environmental Science students... more >>
On March 28–29, you can join expert-led teams at sites all across the Golden Gate National Parks for a historic Bioblitz—a 24-hour event in which volunteers count as many birds, insects, fish, mammals, lichen, and other organisms as possible!
Organized by... more >>
“Boy, I’d love to see a ferrug right now!”
This is one of the most often-spoken statements by hawkwatch volunteers at the Golden Gate Raptor Observatory (GGRO), and understandably so.
The Ferruginous Hawk (known as the “ferrug” in hawkwatcher short-hand) is so... more >>
On any given winter day, you might see over a dozen species of water birds in Rodeo Lagoon (ducks making up only a small proportion of these)—not to mention all sorts of interesting songbirds and mammals.
The most abundant species in the lagoon right now is the American Coot (Fulica americana).... more >>
Odonates are dragonflies and damselflies that are associated with water. As flying adults, they are carnivorous that prey on other insects. Their name comes from the Greek word odṓn meaning “tooth”—even though it is now known that their strong mandibles (jaws) do not have teeth but rather serrations.
Dragonflies are fairly... more >>
In honor of Halloween and the Day of the Dead, we’ve got a bone to pick with you. Put on your thinking (skull)cap and see how many of these skeletal remains you can identify—of animals found in the Golden Gate... more >>
When observing animal species, the sexes often can be determined by noting differences in coloration, size, features, and even behavior. For example, male elk grow antlers, while females do not; in lions, the males have a mane, and the females do not. Among higher vertebrates, one manifestation of this “sexual... more >>
National Geographic and the National Park Service have partnered to conduct a BioBlitz in a different national park each year during the decade leading up to the NPS Centennial in 2016. For 24 hours, volunteer scientists, families, students, teachers, and other community members try to find and identify as many... more >>
Movements of Red-tailed Hawks/Peregrine Falcons with GSM
During the fall season, GGRO will continue its study of raptor movements utilizing GSM transmitters, which combine GPS and cell phone technologies to “text” researchers the tagged hawk’s locations. Because they are solar-powered, the units have the potential to last several years. They are... more >>
Although Golden Gate Raptor Observatory (GGRO) volunteer hawkwatchers have been happily counting hawks since mid-August from their usual perch, the hawks really start pouring through in mid-September. So now is a perfect time to plan your trip to visit Hawk Hill—just across the Golden Gate Bridge!
The best raptor hours are... more >>