SAM Verbeek. 1966 Calidris alba (3) lower back ruffled, neck withdrawn and bill pointing forward. This back was arched and I could hear no sound (I was about 50 m away). During all this time the female fed nearby (within 1 to 1.5 m from the nest). When I went over to the nest, there was more material in it than I could account for during this observation, suggesting that he had used this bowl before. On my way home I noticed a Sanderling chase a Bavid. The Sanderling flew low over the ground for some distance toward a Bavid which I had not seen till the time the flew away, chased by the Bavid, who made an aggressive loud ratting call. 20 June The nest contained no egg at 20:30. 21 June The nest was still empty at 24:00. The birds were no around the area at all 23 June Saw two Sanderling today, at the edge of where the drums and the meadow (drum pee) meet. At first I saw one bird, which I assumed to be the male. This bird flew, by himself, some 200 m into the meadow, and began to walk around as described on 17 June. This was strange as there was no second bird near him. He struts around with an arched back, bill pointing forward, tail down and the wing feathers spread. It looks very beligerent, and aggressive. One other sanderling, the female was feeding over a distance of some