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The Golden Gate Raptor Observatory (GGRO) is 30 years old this fall (you might even say it’s peeking into middle age). The year 1984 was indeed a long time ago; Ronald Reagan had just been re-elected. George W. Bush was between political campaigns and fully focused on starting small oil... more >>
What kind of bird are you? Find out with our scientifically dubious but finely feathered personality quiz, based on distinct avian phenotypes!
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Thousands of Scientists, Students, and Community Members Converge on Parks For Scientific Exploration and Discovery
After two intensive days of exploration and documentation, the Golden Gate National Parks BioBlitz (March 28–29) captured a vivid snapshot of the unique biodiversity in the parks. Led by more than 320 volunteer scientists from across... more >>
International Migratory Bird Day (IMBD) was created by the Smithsonian Migratory Bird Center in the early 1990s and is now coordinated by Environment for the Americas, a nonprofit dedicated to bird conservation. This celebration of migratory birds spans from South America to Canada, and enables... more >>
A flash of silver in the creek. A whir of wings from the branches above. A bushy tail disappearing into a tangle of undergrowth.
For most of us, encounters with wildlife in the Golden Gate National Parks are fleeting. Rarely do we have the opportunity to document, share, and fully appreciate... more >>
Even though Mother Nature was kind enough to turn the waterworks on in mid-February, California continues to be affected by a severe drought and the recent rains may not be enough to reverse the trend.
According to dendrochronology, or the dating of past (climactic) events by measuring tree ring growth, trees... more >>
On any visit to Hawk Hill, you might notice the resident common ravens (Corvus corax) hanging out on fencing, sitting on platforms, or acrobatically tumbling through the air.
Ravens belong to a taxonomic family of birds called the corvids, which also... more >>
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 >>