On June 29 th 2014, a juvenile was photographed (Fig.3A;WA1372730) and five other adults were observed in a mixed flock with Larus dominicanus (Lichtenstein, 1823) on the beach in Praia do Rincão. On August 28 th 2016, again an adult individual was recorded in Praia do Rincão (WA2257972).