Taxon profile
Links and literature
AOU Checklist of North and Middle American Birds 2013 [http://checklist.aou.org/], North American Classification Committee (NACC) [as Lophornis helenae]Data retrieved on: 26 April 2013
Bird Life 3 [22687241]
Bird Life [http://www.birdlife.org] [as Lophornis helenae (DeLattre, 1843)]
Data retrieved on: 23 November 2018
IUCN Red List of Threatened Species 2024-1 [22687241]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Lophornis helenae (DeLattre, 1843)]
Data retrieved on: 29 January 2024
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Lophornis helenae (Delattre, 1843)]Data retrieved on: 3 December 2021
del Hoyo J., Elliott A., Sargatal J., Christie D.A. & de Juana E. (eds.).: Handbook of the Birds of the World (HBW) Alive [https://www.hbw.com/], Lynx Edicions, Barcelona [as Lophornis helenae DeLattre, 1843]Data retrieved on: 27 November 2018
Hudec K. et al. (2003): Soustava a české názvosloví ptáků světa, Muzeum Komenského v Přerově. 462 pp. [as Lophornis helenae (Delattre, 1843)] Čížek V. et al. (2021-23): České názvosloví ptáků světa 05c, NK ČSO [as Lophornis helenae (Delattre, 1843)]Data retrieved on: 28 March 2024
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Lophornis helenae]Data retrieved on: 7 April 2013