J.P. Myers 1973 Tryngites subruficollis baying (BZAN) 0.5 Km S of Trans-chaco highway on driveway to Juan Zalazar Dept Boquevón 320 Km N.W. of Villa Hayes, Paraguay 3 Sept mid afternoon had stopped at mud flat-pool to look at flock of golden plovers when 2 buffies flew in. landed well away from plover congregation along the N edge of the water. both birds stayed fairly close to one another + to the interfac between mud and water. I was too anxious to get specimen to allow them to forage much. Collected both of them. Corai, ~20 Km NE of Trans chaco highway, 320 Km N.W. of Villa Hayes, Dept Boquevón, Paraguay 4 Sept 1630 drove up to Corai after visiting Campo Flores. While passing a represo + 400 flock of sheep 2 buffies flew past landed just out shaft right. Part of party was too in a hurry to get back to Salazar so I couldn't chase the birds. Quick glance w/ binos revealed at least 2 more buffies (c. short grass) foraging in a well grazed field at least 100' from any water, too far for any details. I think I saw 3 or 4 others closer to water but distance was too great. I was pleased to see that buffies are so recognizable in flight.