Irisanga, São Paulo, Brazil.
Previously considered closely related to, or even conspecific with, Hydropsalis cayennensis (both taxa were at the time placed in Caprimulgus). Later review, however, suggested that the two were not close and that present species probably belonged with Eleothreptus#R; a treatment strongly supported by subsequent phylogenetic study#R. Monotypic.
Food and feeding
Status and conservation
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