Mayhew 1947 April 26 Semi-palmated Plover Bay Farm Island, Alameda Co., Calif. A fairly large number of this species were seen staying quite a ways up the bank from the water's edge. I did not see any of them ever get into the edge of the water. They seemed to stay the farthest from the water of any of the shorebirds seen, with the possible exception of the Black-bellied Plover. They take 3 or 4 steps, stand perfectly still, with one foot hardly touching the ground, then suddenly pick something up in the bill, and run 3 or 4 more steps, when the same procedure is followed. Once in a while, one or another of them tilt the tail up, spreading the rectrices, turn the head down, and charge another member of the same species. It appears to be related to courtship.