I've seen quail, coyotes, a red fox, as well as the more common critters (skunks, raccoons) in the Presidio. Go to http://www.presidio.gov/Projects/Open/Quail/default.htm for information about the Save the Quail project. They are happy to know about wildlife sightings within the Presidio, particularly the more unusual. I was astounded to see that red fox early one morning during my commute and and emailed the natural resources specialist. He told me that red foxes had only recently been observed within the park (this was a couple of years ago). The habitat restoration seems to be working wonders. It's very exciting to see these creatures in San Francisco.