Masked Booby Sula dactylatra
Vagrant. CBRC.
December 30, 2001- January 10, 2002 at Point La Jolla.
See Masked/Nazca Booby below.

Nazca Booby Sula granti
Vagrant. CBRC.
September 1, 2015 about 11 km WSW Point Loma.
December 2017-January 2018. 5 birds, dwindling to 1. San Diego Bay.
See Masked/Nazca Booby below.

Masked/Nazca Booby S. dactylatra/S. granti
Vagrant to Occasional, June through January, primarily in Nearshore region. CBRC.
eBird records since 2010: 2012: 1, 2013: 2, 2014: 1, 2015: 4.
Habitat: Ocean.
Best locations: Point La Jolla.
Note: Masked and Nazca are only separable by adult bill color; most records are of immatures. Most are throught to be Masked Booby. Nazca Booby first proved to occur in North America in 2013, with 4 records now for California. CBRC accepted 9 records of Masked/Nazca Booby from San Diego County from 2010-2015.