We have only seen this family of birds 3 times since we started birding, so we think of it as rare.

Brown Booby

Northern Gannet

2003 Jan 05, Sunday Rarity Chase

2003 Jan 19, Wings over San Mateo

2005 Jun 10, Cape May Day Two

Cape May, Cape May County, New Jersey [gallery]

Princeton Harbor, San Mateo County, California

Rural Areas of San Mateo County, San Mateo County, California [gallery]