JP Myers 1943 Calidris fuscicollis Boqueron Aug 30 6:45 got good look at 2 small sandpipers in mud of receding lagoon Calidridines w/ white rump. Very skittish. Staying near a group of G Yellowlegs. Flew when I approached to get a shot. 320 Km NW of Villa Hayes on lagoon 0.5 Km S of entrance to Juan Zalazar, Dept Boqueron, Paraguay Sept 4 0900 sitting at same location where I collected 2 buffies yesterday as a flock of 4 white-rumps flew over. They whirled around the lagoon on E+W side of driveway, + finally landed exactly where buffies had been. Mud runs wet and deep several feet back from the edge of the water. Water is shallow (2-3"). W Rumps staying within six inches of wading on both sides of it (i.e. some are on mud and others are up to 1/2 way to joint in water. Feeding in proks. I easily approached them and shot 2. Sept 5 0645 returned to same site w/ Lois. at no 45 a single WR appeared. W pond has shrunk considerably from its previous size. @120' long w/ water in a half circle shape with a radius of 75-200' very wet mud with no vegetation on the periphery. + the mud gets drier but gains no vegetation as you go away to the E. Finally it gets wetter, there is another remnant pond ~200' from the edge of the closer pond, and then the depression ends on the other side of the pond + quid begins. The WR is foraging along the edge of the mud in the water, but not coming out of water about as far as were the buffies seen earlier this morning (i.e. in relation to leg stretches). :: this bird is remaining right along the edge of the water. Hood is down with bill entering into water. Most motion are picks, but some probes with bill spray in @ 3/4 of length. Also multiple probes. Only WR moved off.