Guianan Tyrannulet (Zimmerius acer) [XC272011]
by GABRIEL LEITE from Mozeskreek area, W Suriname, Suriname (call)
Guianan Tyrannulet (Zimmerius acer) [XC520323]
by Fernando Igor de Godoy from Esta\u00e7\u00e3o Ecol\u00f3gica de Murici, Murici, Alagoas, Brazil (call)
Subspecies
No subspecies.
Zimmerius gracilipes (Sibley and Monroe 1990, 1993; Stotz et al. 1996) has been split into Slender-footed Tyrannulet (Zimmerius gracilipes) and Guianan Tyrannulet (Zimmerius acer) following SACC (2008).