J.P. Myers 1974 Journal Arrigo Chico (114)-(132-4), Estancia Medaland, 35 Km S. of Juancho by road, Piste de Madaniage, Provincia Buenos Aires, Argentina 4 October dawn (i.e. sun on horizon) at 0625. temp = 11°C no wind. 100% clouds. reached subunit 1 of the linear grid at 0717 and began w/ sampling, finishing (i.e. completing to subunit 10) lay 0750. Grid totals: Calidris fuscicollis 25, Calidris bairdi 11, Calidris melanotos 1, Micropalama himantopus 1, Charadrius fallax 1, Pluvialis dominica 3, Thinantopus h. 2, Anas georgica 10. Upon reaching the Grid 13 region I pulled the car and began observing fuscicollis three (see sp. accent) in addition to sample D. Took 1 hour following data on 10-4-74 A and 10-4-74 B (adjacent subunit 10). (Grid totals: C. fuscicollis 23 (0-4) 35; C. bairdi - (0-1) 1 [15 samples]) Territoriality was the dominant theme of the grid this morning - 3 birds controlled the entire area, producing a % territorial bird calculation = during 1 hour's Simon census = 76% see WR sp accent. Returning down the Arrigo I searched for banded birds, but did not record anything. Arrigo water level has been going down continuously since the last rain, but it has not yet reached the level known to have been achieved just prior to said rain. And today it started to rain as we drove in. See sketch of water level at grid 13 in notebook. By @ 1730 rain produced 2.5mm 5 October Began reading linear grid at 0728. 80% clouds, temp = 9°C, with a moderate SW wind. By midmorning the wind picked up considerably and the sky cleared to <5% cover. Finished reading the linear grid sample at 0805. Totals: Calidris fuscicollis -32; Calidris bairdi 6; Calidris melanotos 3, Tringa solitaria 2, Pluvialis dominica 3, Charadrius fallax 1; Thinantopus 2, Lymnaea hians 1, Larus marilipennis 2, Tachyrix ruficollis 2, A. georgica 2, Anthus correndera 1. see sighting cards. (7-1) Estancia Medaland, Piste de Madaniage, Provincia Bs Aires, Argentina 1800 parked car off Farmhouse road in (8-11) - the fallow field S. of Tower Flavors, where we had found roosting bufflehead and gulls earlier in previous evening (see Tringa sp accent) 2 October By that time the SW wind which had been blowing most of the day had stopped, and very little cloud cover remained. Temperature 10°C. The field which we were watching lies between Farmhouse road and the South Tower Llano Fence, encompassing