J. F. Gmelin, 1788,
no locality = Cayenne.
Often treated as sole member of genus Discosura, the remaining species being separated in Popelairia. Specific name sometimes modified erroneously to longicauda, but original name is correct, being invariable (as a noun phrase in apposition). Monotypic.
SE Colombia, S & E Venezuela (Amazonas, E Bolívar) and the Guianas to NC Brazil (N Amazonas E to Amapá); also NE Brazil (Rio Grande do Norte S to Rio de Janeiro).
Food and feeding
Status and conservation
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