Buff-bellied Puffbird (Notharchus swainsoni) [XC546342]
by JAYRSON ARAUJO DE OLIVEIRA from RPPN Serra Bonita, Camacan, Bahia., Brazil (song)
Buff-bellied Puffbird (Notharchus swainsoni) [XC18212]
by Tim Hirsch from Intervales State Park. Carmo road, Brazil (song)
Subspecies
Notharchus macrorhynchos (Sibley and Monroe 1990, 1993) has been split into Guianan Puffbird (Notharchus macrorhynchos), Notharchus hyperrhynchus and Buff-bellied Puffbird (Notharchus swainsoni) following SACC (2005).
Forms a superspecies with Guianan Puffbird (Notharchus macrorhynchos), and usually regarded as conspecific.