JP Myers 1973 Journal Summary of field trip in NE BA province near San Miguel del Monte (SMM), Ondavalle (GL) and San Clemente del Tuyú (SC), Provincia de Buenos Aires, Argentina Sept 14-17 Dendrocygna viduata - 19 SMM M'd - for details in Anas georgica - thousands, mostly in flocks at SMM, pairs at GL Journal ace specific Anas versicolor - pairs all over, commoner at GL Anas flavirostris - prs all over, " " " Anas sibilatrix - prs all over, but few. GL-10pr. SMM-1 Anas plataea - prs at SMM, 1 pr at GL Anas cyanoptera - prs at SMM and GL Netta pepoacca - a few prs all over Oxyura vihata - 2 or in breeding plumage, GL Circus buffoni - 2 at SMM, 1 at GL Circus cinereus - common at GL, 1 imm, ~10 adults in prs Rupornis magnirostris - one at SMM, two along Rode 11 Elanus leucurus - sparsely all over Rostrhamus sociabilis - very abundant all over SMM, GL and R11 Milvago chimango - most common at SMM but everywhere else too Poliborus plancus - common at GL, one SMM, nesting building but not occupied Aramus guarauna - heard at GL and SMM Fulica leucocephala - all over SMM and GL Fulica armillata - ao F.L. but many less Fulica rufifrons - one at GL Gallinula chloropus - one at GL, two at SMM Porphyrio melanops - prs at GL Rallus panguinolentus - heard at Magdelenia Aramides ypecaha - 4 at Magdelenia, lots heard Haematopus palliatus - pairs at GL, SC