There are four verified winter records for California. Pectoral sandpipers are found in drier portions of tidal mudflats, and grassy borders of estuaries, pools, ponds, lakes, streams, and alkali flats. A shorebird, always associated with water. Nest in arctic tundra during June and July across Siberia and North America.
Males leave breeding grounds before the eggs hatch .
The birder's handbook. Simon and Schuster, New York. Hayman, P., J. Marchant, and T. Prater. Houghton Mifflin Company, BostonMyers, J. P. 1982. The promiscuous pectoral sandpiper.