
Lessonia rufa (MGT):breeds in central Chile and Argentina and migrates north, dispersing along the coast and then into the lowlands of the continent. It overwinters in northern Chile, southern and eastern Bolivia, Argentina, Paraguay, Uruguay and Brazil (Farnsworth & Lebbin, 2004d), and there are records for SP (Silva-e-Silva & Olmos, 2007), PR (Bornschein et al., 1997), SC (Azevedo & Ghizoni-Jr., 2005) and RS (Belton, 1985; Bencke, 2001). According to photographic records, it is present in RS from January to September, in SC in February and in SP in September (WikiAves, 2016). Museum records are restricted in July (MZUSP).
