Conservation

An owl sits with eyes closed in the canopy of a tree.
Conservation
Marin County is a great place to be a Northern Spotted Owl. At least, that’s what we can imply from the data.
Bald Eagle
Article
“This is a super exciting time for Bald Eagles in the Bay Area. We must be doing something right for Bald Eagle ecology."
Park leaders stand in front of the China Beach monument.
Gateways Article
David Smith became the new Superintendent of the GGNRA in January 2023. We sat down with David to get to know him better, and talk about his priorities for the GGNRA and how they overlap with the Parks Conservancy's work.
Yolanda Molette connects with participants at a workshop featuring butterfly migration.
Article
Yolanda Molette, a Plant Ecologist with a degree in Ecology, Evolution and Systematics, Concentration in Conservation from San Francisco State University, just likes plants!
Tamalpais Bee Lab macrophotography. Shown is a blue and yellow Osmia coloradensis.
Gateways Article
Thanks in part to the work of Tamalpais Bee Lab volunteers, we now know there are HUNDREDS of different bees on Mt. Tam. As these photos indicate, you never know what amazing, colorful bees you'll see!
Volunteer
Thanks in part to the work of Tamalpais Bee Lab volunteers, we now know there are hundreds of different species of bees on Mt. Tamalpais in Marin County. The work of community scientists has helped immensely as the Parks Conservancy, our One Tam partners, and Dr. Gretchen LeBuhn of San...
Two Turkey Vultures, one bearing the GGRO blue wing-tag 368R, bask on the outcropping below Hawk Hill
Conservation
The Vulture Ecology Study: 2020 Update is part of the Golden Gate Raptor Observatory (GGRO) 2020 Pacific Raptor Report. It was authored by biologist Teresa Ely, GGRO’s Banding Manager and resident vulture expert. The GGRO has been a program of the Parks Conservancy for over 30 years, fulfilling their mission...
Aerial view showing the Quartermaster Reach wetlands
Gateways Article
For the first time in over 100 years, the Presidio’s Tennessee Hollow watershed will be connected to the San Francisco Bay.
Western Pond Turtle Release
Article
The western pond turtle hasn’t been observed in the Rodeo Valley Watershed since 1998. This year, the fourth year of a five-year reintroduction plan, biologists reintroduced 20 turtles to Rodeo Valley and 14 to Redwood Creek Watershed.
Raptor migration trends at the Marin Headlands
Conservation

Timing Profiles by Species

WHEN DO DIFFERENT RAPTORS PASS BY HAWK HILL? These graphs show how often a specific raptor has been sighted on any day of the season (normalized as raptors per hour of effort, or RPH). Historically, the peak of "Peak" is September 24th, with an average RPH of 95. Each species...