(en) Hennessey, A.B., 2011. Species rank of Phibalura (flavirostris) boliviana based on plumage, soft part color, vocalizations, and seasonal movements. The Wilson Journal of Ornithology 123(3): 454-458. full txt. Gearchiveerd op 23 november 2020.
hbw.com
(en) del Hoyo, J., et al. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions,Barcelona. (retrieved from https://www.hbw.com/node/1343669 on 24 September 2019).
(en) Chapman, 1926.Phibalura flavirostris in Bolivia. Auk 43 p. 99. Gearchiveerd op 24 september 2019.
(en) Chapman, 1930. A new race of Phibalura flavirostris from Bolivia. Auk 47 p.87. Gearchiveerd op 1 oktober 2020.
web.archive.org
(en) Chapman, 1926.Phibalura flavirostris in Bolivia. Auk 43 p. 99. Gearchiveerd op 24 september 2019.
(en) Chapman, 1930. A new race of Phibalura flavirostris from Bolivia. Auk 47 p.87. Gearchiveerd op 1 oktober 2020.
(en) Hennessey, A.B., 2011. Species rank of Phibalura (flavirostris) boliviana based on plumage, soft part color, vocalizations, and seasonal movements. The Wilson Journal of Ornithology 123(3): 454-458. full txt. Gearchiveerd op 23 november 2020.