J.P.Myers 1974 Flocks (19.9) Estancia Medaland 35 kms. of Juncalco by road, Ptdode Malariaga, Proia d Bs. Aires, Argentina 26 September (cont'd) open water- up to 8" deep near the Tule pabels Cattle trod areas - livestock have created areas of great micro-topographical relief by walking in short grass, flooded areas. It creates gymnosai: raised area covered with short grass holes, 3"- 8" deep From above w/ water means that the holes are filled + some of the tops submerged w/o water means that only some of the holes are filled + none of the tops submerged. a higher piece of ground than w/ water 3" sparse edge etc. - w/o or w/ cattle trodding, generally in/out. higher than the former categories .- Some cattails along the higher edges. individuals of a given the birds were segregated - species tending to be with one another and in subareas of the total point. obvious habitat preferences: Tryngita - most in the apparent higher, 3" sparse edge type. a few in "cattle trod w/o water." - Definitely a close to one another in tight groups, although solitary individuals not uncommon. Fluvialis dominica - in both types of "cattle trod" areas, preferring (it would seem), w/o water, although extending well into w/ water melanotus and fusicollis = difficult to distinguish because they would fly. (The best approach is by sound, they stick along the edge of open water and into cattle trod w/ water, perhaps some w/o. The reason why they fly is that in order to approach I have to go into areas and make a lot of noise.