Usually considered conspecific with C. campestroides, but differs in its black chin and throat in both sexes (3); moustachial area of female black with whitish tips vs whitish with vague blackish barring (moustachial area of males similar—blackish, shot with red) (2); barring stronger below, plumage darker above (1); close contact call slightly lower-pitched (1); also, hybrid zone in Paraguay (1). Birds from NE Brazil, described as race chrysosternus, considered indistinguishable from other populations. Monotypic.
S Suriname and NC Brazil (near Santarem); E Brazil (Maranhão S to Mato Grosso do Sul and Santa Catarina), N & E Bolivia (Beni, Santa Cruz) and C Paraguay.
Food and feeding
Status and conservation
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