[UPDATE: Comment below or on this thread from a year ago...]
Look for them in Dolores Park and the Presidio and Golden Gate Park and all over, basically.
As seen on Strawberry Hill, back in the day:
Click to expand
Tags: 2011, bay area, bird, black, black bird, blackbird, breeding, california, cucullatus, fan palm, golden gate park, head, hooded, Hooded Oriole, Icterus, male, nest, New World, orange, oriole, ornamental, Palm, San Francisco, Stow lake, yellow, yellow headed