Audubon Canyon Ranch |

Latest Project Updates

2021 David Bouverie Scholarship awarded to Hunter Halkovich

An active Juniper Junior Naturalist since fifth grade, Hunter has participated in many newt counts, helped build owl and bat boxes, and mentored younger Junipers. He will attend Cornell University this fall.

ACR and True Wild to partner on mountain lion research

As the Living with Lions program enters its sixth year, a new partnership with Glen-Ellen based conservation company True Wild, co-founded by former program director Quinton Martins, hopes to better address the complex issue of predator conflict.

Brakeley Search to partner with ACR in recruitment of next executive director

The firm was selected following a thorough competitive proposal process and vetting by a Search Committee of six senior staff and board members. The search will involve four phases and will likely take 5–6 months.

Mountain lion kittens located with the help of GPS technology

Tracking the movements of mountain lions using GPS collars is integral to understanding the population and ecology of such an elusive yet charismatic cat living in Sonoma County. Recently, we located a couple of adorable 14-day-old kittens near Kenwood.

ACR enters the Motus era

Thanks to generous grants from the Marin Wildlife Commission and an ACR donor, we have installed two remote telemetry receiving stations (known as Motus stations) on Tomales Bay—a major migratory stopover area for many bird species—to aid in our understanding of the movement ecology of local bird populations as well as other wildlife.

Do local factors contribute to shorebird decline on Tomales Bay?

ACR researchers recently published a paper in Condor, Ornithological Applications, reporting trends of Tomales Bay shorebird populations. Overall, most species of shorebirds have declined substantially on Tomales Bay in the last 30 years. Take a look at some of the local factors that may be affecting their numbers.