Taxon - Odkazy a literatura
AOU Checklist of North and Middle American Birds 2013 [http://checklist.aou.org/], North American Classification Committee (NACC) [jako Amaurospiza concolor]Datum citace: 26. duben 2013
Remsen J. V. Jr., Cadena C. D., Jaramillo A., Nores M., Pacheco J. F., Pérez-Emán J., Robbins M. B., Stiles F. G., Stotz D. F. and Zimmer K. J. (2002-2013): Classification of the bird species of South America 17 March 2013 [http://www.museum.lsu.edu/~Remsen/SACCBa...], American Ornithologists' Union [jako Amaurospiza concolor]Datum citace: 26. duben 2013
Bird Life 5.1 [31303]
Bird Life [http://www.birdlife.org] [jako Amaurospiza concolor Cabanis, 1861]
Datum citace: 26. duben 2013
IUCN Red List of Threatened Species 2013.2 [22731250]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Amaurospiza concolor Cabanis, 1861]
Datum citace: 27. leden 2014
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [jako Amaurospiza concolor Cabanis, 1861]Datum citace: 5. prosinec 2021
Hudec K. et al. (2003): Soustava a české názvosloví ptáků světa, Muzeum Komenského v Přerově. 462 pp. [jako Amaurospiza concolor Cabanis, 1861]
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [jako Amaurospiza concolor]Datum citace: 7. duben 2013