Grey Gull is commonly found in coastal areas, foraging directly on the sea surface (Duffy 1980) or along the shoreline (Howell et al. 1974). During the breeding period it moves inland, nesting in a distant desert region in Chile, up to 100 km from the coast (Erize et al. 2006). It is one of the few bird species adapted to nest in the Atacama Desert (Chile), considered the world's driest environment (Aguilar et al. 2012). The species' nesting site was described only in 1943 by Goodall & Johnson (1945) in a desert area in the province of Antofagasta (Chile), answering one of the major questions on the species ecology. There are nine Gull species recorded in Brazil: three resident species, three visitors from the north or south and three vagrant species (Piacentini et al. 2015). This article presents the first documented record of Grey Gull for the Brazilian territory. During daily monitoring of beaches performed by Instituto de Pesquisas Cananéia for Projeto de Monitoramento de Praias-Bacia de Santos (PMP-BS), which covers the coasts of the states of São Paulo, Paraná and Santa Catarina, the bird was first recorded
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