Bicolored Wren (Campylorhynchus griseus) [XC528766]
by Jerome Fischer from Upper Takutu-Upper Essequibo, Guyana (call)
Bicolored Wren (Campylorhynchus griseus) [XC317800]
by Yair Guillermo Molina M. from Ceret\u00e9, C\u00f3rdoba, Colombia (call)
Subspecies
Sometimes considered conspecific with Giant Wren (Campylorhynchus chiapensis), but very widely separated geographically.
The following 6 subspecies are recognised:
albicilius (Bonaparte, 1854) - Northern Colombia and north-western Venezuela (Macaraibo Basin, Falcón, Lara, western Trujillo).
bicolor (Pelzeln, 1875) - Upper Magdalena Valley and western slope of eastern Andes in Santander and Boyacá (Colombia).
minor (Cabanis, 1850) - Lowlands of northern Venezuela (Cojedes and Apure east to Sucre and Monagas, south to northern Bolívar) and eastern Colombia (Meta).