This taxon is Not Recognised as a species by BirdLife International.
Ortalis guttata, O. araucuan and O. squamata (del Hoyo and Collar 2014) were previously lumped as O. guttata following Stotz et al. (1996) and SACC (2011), and before then were also lumped with O. colombiana as O. guttata following Sibley and Monroe (1990, 1993).
BirdLife International (2016) Species factsheet: Ortalis guttata. Downloaded from http://www.birdlife.org on 03/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 03/12/2016.