Mimus triurus (MGT): breeds in Bolivia, Paraguay and Argentina, and occurs in southern and southwestern Brazil in the non-breeding season (Cody, 2005). Photographic records confirm its occurrence in Brazil between March and November in MT, MS, RJ, SP, PR, SC and RS, without any evidence of breeding activity (Pinto, 1944; Belton, 1985; Bornschein et al., 1997; Bencke, 2001; Lima & Aulicino, 2008; Maciel & Gaertner, 2014;WikiAves, 2016).