Placed in genus Antrostomus by some authors#R. Considered by some to be sufficiently distinctive to merit isolation in a separate genus, in which case name Antiurus is available. Disjunct populations could represent more than one species; study required. Treated as monotypic.
Discontinuously from SE Mexico S to Colombia, the Guianas, N Brazil S through Peru, N & EC Bolivia to E Paraguay and SE Brazil; recently recorded in NE Argentina (Misiones)#R.
Food and feeding
Status and conservation
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