Buff-bellied Puffbird (Notharchus swainsoni) [XC663700]
by GABRIEL LEITE from Sert\u00e3o do Cantagalo, Angra dos Reis, RJ, Brazil (duet, song)
Buff-bellied Puffbird (Notharchus swainsoni) [XC838552]
by Fernando Igor de Godoy from Fazenda S\u00e3o Miguel, Itaj\u00e1, Goi\u00e1s, Brazil (call)
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.