An annotated checklist of birds of Paraje Tres Cerros, Corrientes province, Argentina Fernandez, Juan Manuel Thomann, Luz Fandiño, Blas Cajade, Rodrigo Hernando, Alejandra Check List 2021 2021-03-08 17 2 415 443 62694 Reichenbach 1849 [168,366,1164,1188] Aves Phalacrocoracidae Animalia Suliformes 9 424 Chordata family   Observations.  ARGENTINA• Multiple (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29° 09′32′′S, 056°50′10′′W. Recorded in large flocks. Com- mon in the study site.  Identification.Overall black and gray, iris turquoise, gular yellow. La Cruz Argentina -29.158888 Corrientes 20 -56.83611 9 424 1 Corrientes