S.P. Myers 1973/1974 Baird 162 Km W of Comodoro Rivadavia by road, Quin de Chubut, Argentina 7 November cont'd I had the impression that the territory was being expanded as we watched. Bird I chased other birds farther farther down toward the main group. The behavior of the other birds—especially the inconsistent one—also suggested flex. shallow - 1-2" The puddle itself was in gravel, but looked like it was created by road crews. However, there was some vegetation, largely consisting of scattered coated reeds (6" high) most concentrated in Base Bird I's territory and when the other bairds were foraging. All of the birds were foraging feeding by pecking at insects on the surface of the water. Very infrequently did any go beneath. (Bird A few of them, including #1, foraged along the edge of the water as well. Tower Llanos, Estancia Wetland, 35 Km S. of Juancho by road, Ptdo de Maeturiaga, Pcia de Buenos Aires, Argentina 7 December on E end of llanos in flooded field w/lois, M. Rumboll, + C. Leagly spotted n10+ Bairds foraging + preening with flock of WR + Peckorolo 18 January 0930 spotted 1 Baird from tower working up beach + over cow pies in Arrayo. None others visible along whole stretch. Chased off WR territory by WR several times (+ by different WR's). Difference between WR+ B is striking when they are together. 20 January one Baird spotted by tower in Arrayo, 0714. Foraging beside WR+ buffy chased by buffy (but not WR)!! 1 km W of Argentina by road, Pcia de Santiago del Estero, Argentina 11 August 10 flock of Bairds spotted 1100 in a sandy pond chying by the side of the road. Sally encrustations on dried sand and surrounding vegetation indicate that the water is saline. No vegetation in water or near areas where the bairds are foraging, just bare, flat sand. Collected 2 (139, 140). 5 Km E of Argentina by road, Pcia de Santiago del Estero, Argentina. 1140 - 7 more bairds foraging in sandy pond very similar to that above. No other peeps present, although... Ch. collaris, Vanellus chilensis, and Himantopus h. were.