SPMyers 1973 Journal Summary of field trip in NE BA province near San Miguel del Monte, Gnal La Valle, and San Clemente del Tuyu, Provincia de Buenos Aires, Argentina Sept 16-17 BA to San Miguel del Monte [where we spent friday evening], from there to San Clemente del Tuyu, stopping en route just west of Castelli for Saturday evening, and back to Gnal La Valle for Sunday night. Monday morning we returned to BA via the coast road through La Plata. The following species were identified: Rhea americana - by road on Route 11 near Esquina de Crotto, ~20 Nothura maculosa - seen ahead throughout trip Podiceps major - San Miguel del Monte (SMM), at G.L., and SC at sea Podiceps rolland - SMM and GL Podilymbus podiceps - SMM abundant, GL less so but present Diomedea melanophrys - 4-8 seen at SC at sea Phalacrocorax olivaceus - 1 at SC Ardea cocoi - all over, solitary, 8 all told Egretta alba - all over Egretta thula - all over Ixobrychus involucris - one at GL Euxenura maguari - all over Plegadis chihi - flights at SMM, less common at GL Ajaia ajaia - 100 in flock near GL, appear to be nesting in tide Phoenicopterus chilensis - 28 at SMM, 4 juv. Chauna torquata - all over, most at GL Cygnus melancoryphus - all over, large chicks seen at GL Coscoroba coscoroba - lots at GL, in pairs, SMM Dendrocygna bicolor - flights at SMM.