with Willets for scale in 2nd image
San Diego County, California, US
Dunlin are the larger birds, Western Sandpipers are the smaller ones.
this bird and some others were missing one leg; while a group of birds were resting and many held up one leg, this bird did not have one to put back down. it hopped across the beach.
not sure on this ID but seems similar in size to the sanderling
The Dunlin (Calidris alpina) is a small wader, sometimes separated with the other "stints" in Erolia. It is a circumpolar breeder in Arctic or subarctic regions. Birds that breed in northern Europe and Asia are long-distance migrants, wintering south to Africa, southeast Asia and the Middle East. Birds that breed in Alaska and the Canadian Arctic migrate short distances to the Pacific and Atlantic coasts of North America, although those nesting in Northern Alaska overwinter in...