“…Although Sick (1997) indicated that the species is distributed throughout Brazil, it is rare in the Caatinga. Its breeding biology is still poorly known (Penard & Penard 1908, Belcher & Smooker 1936, Hellebrekers 1942, Friedmann & Smith 1950, Haverschmidt 1955a, Skutch 1964, Russell 1964, Wetmore 1968, Goodwin 1973, Haverschmidt 1975, ffrench 1980, Haverschmidt & Mees 1994, Di Giacomo & López Lanús 1998, Greeney & Gelis 2008, Hayes 2014, de la Peña 2019), especially in Brazil, where data are even more fragmentary (Ihering 1900, Snethlage 1935a, Belton 1984, Sick 1997, Crozariol & Indiani 2010, Marini et al . 2010, Lopes et al .…”