An annotated checklist of birds of Paraje Tres Cerros, Corrientes province, Argentina Author Fernandez, Juan Manuel Author Thomann, Luz Author Fandiño, Blas Author Cajade, Rodrigo Author Hernando, Alejandra text Check List 2021 2021-03-08 17 2 415 443 http://dx.doi.org/10.15560/17.2.415 journal article 10.15560/17.2.415 1809-127X Crotophaga ani (Linnaeus, 1758) Figure 6A Observations. ARGENTINA • Multiple (no sexual dimorphism); Corrientes , La Cruz , Paraje Tres Cerros; 29° 09′15′′S , 056°51′00′′W . Common in the area. Generally in flocks. Flying or perching on the shrubs . Identification. Smaller than C. major (Gmelin, 1788) ; iris black. Different calls.