"UPDATE: subspecies split, accepted 28 April 2009 by the American Ornithologists' Union, Snowy Plover, American subspecies, is now split off as "Charadrius nivosus" from the previous Kentish Plover Charadrius alexandrinus, the Eurasian subspecies, per official acceptance of the split here: http://www.worldbirdnames.org/n-shorebirds.html see also http://www.bath.ac.uk/bio-sci/biodiversity-lab/publications/kupper_auk_2009.pdf

Western Snowy Plover (Charadrius nivosus) landing, while challenging another Snowy Plover, in this action shot on Morro Strand State Beach opposite Morro Bay, CA High School, 22 April 2010. Photo by Michael "Mike" L. Baird, mike at mikebaird d o t com, flickr.bairdphotos.com, Canon 5D, Canon EF 100-400mm f4.5-5.6L IS USM Telephoto Zoom Lens, handheld but well-braced, after laying in the sand and remaining frozen still for about an hour. To use this photo, which has the most liberal Creative Commons Attribution license possible attached, please see the access, attribution, and commenting guidelines at https://www.flickr.com/people/mikebaird/#credit

GPS location information: This point was established by taking an iPhone photo about 20 meters west of the subject. 35.38250000,-120.86466667