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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 >>
Last year, our Community Group Programs team led over 240 community programs. Community programs include ranger-led hikes, nature walks, and even offsite campfires. One of our most popular programs brings a campfire to a community organization’s site. We bring the fire and s’mores—and community groups bring the smiles! We also... more >>
Three students from Ex’pression College’s digital filmmaking and motion graphics programs lent their talent this semester to produce a commercial, aimed at youth, for the park’s volunteer programs.
We think they deserve an “A”—and two enthusiastic thumbs up! We love the mix of spoken word, motion graphics, and great... 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 >>
The National Park Service’s Golden Gate Trail Crew has been at it again! If you haven’t recently visited Tennessee Valley, then you’ve missed out on an incredible new improvement. Over the course of the summer, the National Park Service Trail Crew restored a portion of the Tennessee Valley Trail... more >>
A little more than a year ago, I learned that we would be collecting and growing submerged aquatic vegetation (SAV) at the Presidio Nursery. Honestly, up until that time, I’d never even given a second thought to those stinky “seaweed”-like plants that grow under the surface of the water. ... more >>
With the exception of the Bay Area, it was another hot summer across America. Not the record-breaking waves of heat that scorched the country in 2012, but hot enough to exacerbate the wildfire season, deepen ongoing droughts and water issues, and get people talking about climate change.
It has also been... 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 >>
California Coastal Cleanup Day is always a watershed event here in the Golden Gate National Parks. The reason? You! Our dedicated community of enthusiastic volunteers, motivated site captains, and generous sponsors is what makes this annual event such an incredible success every year.
Last year was no exception. In 2012, in... more >>