mountain lions Human Coexistence with Mountain Lions By Bruce Robinson • Aug 4, 2017 Bruce Robinson, KRCB Mountain lions are apex predators, quietly roaming huge areas of Sonoma County. Do they pose any risk to the ever growing human population here? Learning About The Mountain Lions Among Us By Bruce Robinson • Aug 4, 2017 Audubon Canyon Ranch In the wilder, open uplands of the North Bay, mountain lions remain a steady, if elusive presence. But just how many are out there? A current study of the big cats is trying to find that out, and learn much more about them.