Common Raven (Corvus corax)
I love ravens, but have never had my camera with me when spotted... until now. He also serenaded me with the strangest, guttural  croaking sound, one I had never heard a raven make. (there is a joke in there, but I will ever more refrain from making it)
birds california commonraven corvuscorax hawkhill marincounty marinheadlands raven sausalito unitedstates us