Brown Booby Sula leucogaster Occasional, but Rare to Uncommon since fall 2014, all year but especially August through December, in Nearshore and less so in Offshore regions.
Habitat: Ocean especially within 3-10 miles of shore.
Best locations: Buoys off mouth of San Diego Bay, San Diego pelagic trip, Point La Jolla.
Note: Only 8 records up to 2004 (Unitt). Annual reports in eBird since 2007. Unprecedented numbers starting late July 2014. eBird highest total weekly numbers in 2013: 6 (twice), in 2014: 285 on week starting October 8, in 2015: 192 on week starting November 1.