Bolsa Chica Ecological Reserve
Huntington Beach, California
August 3, 2005
Charleston Slough
Palo Alto Baylands/Shoreline at Mountain View
Palo Alto, California
March 28 - April 19, 2006; January 6, 2007; May 7, 2009; January 23 and 30, 2010; March - April 2010; December 2010; March, April, August 2011; April - July 2012, June - July 2013
Radio Road
Redwood City, California
October 14, 2006, July - August 2013
Don Edwards National Wildlife Refuge
Alviso, California
April 10-11, 2007