Dark-Eyed Junco (Oregon), in the Presidio forest
Willet, Marshall's Beach
Snowy Plovers, Marshall's Beach
Pelicans (many!), rocks off the coast of Marshall's Beach
Peregrine Falcon (!), just East of the Golden Gate Bridge
White-Crowned Sparrows, Pacific, in the bushes by Marshall's Beach
Egret (too dark to see which species!)
Trees:
California Scrub Oak (my first ID without help!)
Monterey Cypress [flickr], ubiquitous along the Presidio coast
Map:
http://bit.ly/sfnaturalist