This taxon is Not Recognised as a species by BirdLife International.
Chaetura spinicauda (Sibley and Monroe 1990, 1993) has been split into C. spinicaudus and C. fumosa following AOU (1998). Gender agreement of Chaetura spinicaudus follows David and Gosselin (2002a).
BirdLife International (2016) Species factsheet: Chaetura spinicauda. Downloaded from http://www.birdlife.org on 02/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 02/12/2016.