Lesser yellow-headed vulture (English Wikipedia)

BirdLife International (2016). "Cathartes burrovianus". IUCN Red List of Threatened Species. 2016: e.T22697630A163511443. doi:10.2305/IUCN.UK.2021-3.RLTS.T22697630A163511443.en. Retrieved 13 November 2021.
Amadon, Dean (1977). "Notes on the Taxonomy of Vultures" (PDF). Condor. 79 (4): 413–416. doi:10.2307/1367720. JSTOR 1367720.
Ericson, Per G. P.; Anderson, Cajsa L.; Britton, Tom; Elżanowski, Andrzej; Johansson, Ulf S.; Kallersjö, Mari; Ohlson, Jan I.; Parsons, Thomas J.; Zuccon, Dario; Mayr, Gerald (2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–7. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284. Archived from the original (PDF) on 2018-05-14. Retrieved 2013-02-23.
Tagliarini, Marcella Mergulhão; Pieczarka, Julio Cesar; Nagamachi, Cleusa Yoshiko; Rissino, Jorge; de Oliveira, Edivaldo Herculano C. (2009). "Chromosomal analysis in Cathartidae: distribution of heterochromatic blocks and rDNA, and phylogenetic considerations". Genetica. 135 (3): 299–304. doi:10.1007/s10709-008-9278-2. PMID 18504528. S2CID 22786201.
Fisher, Harvey I. (February 1942). "The Pterylosis of the Andean Condor". Condor. 44 (1): 30–32. doi:10.2307/1364195. JSTOR 1364195.
Gomez, LG; Houston, DC; Cotton, P; Tye, A (1994). "The role of greater yellow-headed vultures Cathartes melambrotus as scavengers in neotropical forest". Ibis. 136 (2): 193–196. doi:10.1111/j.1474-919X.1994.tb01084.x.

globalraptors.org

"Species account: Lesser Yellow-headed Vulture Cathartes burrovianus". Global Raptor Information Network. 2014-05-08. Archived from the original on 2016-03-05. Retrieved 2016-02-29.

Channing, Keith. "Lesser Yellow-headed Vulture". The Hawk Conservancy. Retrieved 2007-10-25.

Amadon, Dean (1977). "Notes on the Taxonomy of Vultures" (PDF). Condor. 79 (4): 413–416. doi:10.2307/1367720. JSTOR 1367720.
Fisher, Harvey I. (February 1942). "The Pterylosis of the Andean Condor". Condor. 44 (1): 30–32. doi:10.2307/1364195. JSTOR 1364195.

Remsen, J. V. Jr.; C. D. Cadena; A. Jaramillo; M. Nores; J. F. Pacheco; M. B. Robbins; T. S. Schulenberg; F. G. Stiles; D. F. Stotz & K. J. Zimmer. 2007. A classification of the bird species of South America. Archived 2009-03-02 at the Wayback Machine South American Classification Committee. Retrieved on 2007-10-15

Ericson, Per G. P.; Anderson, Cajsa L.; Britton, Tom; Elżanowski, Andrzej; Johansson, Ulf S.; Kallersjö, Mari; Ohlson, Jan I.; Parsons, Thomas J.; Zuccon, Dario; Mayr, Gerald (2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–7. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284. Archived from the original (PDF) on 2018-05-14. Retrieved 2013-02-23.

Ericson, Per G. P.; Anderson, Cajsa L.; Britton, Tom; Elżanowski, Andrzej; Johansson, Ulf S.; Kallersjö, Mari; Ohlson, Jan I.; Parsons, Thomas J.; Zuccon, Dario; Mayr, Gerald (2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–7. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284. Archived from the original (PDF) on 2018-05-14. Retrieved 2013-02-23.
Tagliarini, Marcella Mergulhão; Pieczarka, Julio Cesar; Nagamachi, Cleusa Yoshiko; Rissino, Jorge; de Oliveira, Edivaldo Herculano C. (2009). "Chromosomal analysis in Cathartidae: distribution of heterochromatic blocks and rDNA, and phylogenetic considerations". Genetica. 135 (3): 299–304. doi:10.1007/s10709-008-9278-2. PMID 18504528. S2CID 22786201.

Ericson, Per G. P.; Anderson, Cajsa L.; Britton, Tom; Elżanowski, Andrzej; Johansson, Ulf S.; Kallersjö, Mari; Ohlson, Jan I.; Parsons, Thomas J.; Zuccon, Dario; Mayr, Gerald (2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–7. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284. Archived from the original (PDF) on 2018-05-14. Retrieved 2013-02-23.

Tagliarini, Marcella Mergulhão; Pieczarka, Julio Cesar; Nagamachi, Cleusa Yoshiko; Rissino, Jorge; de Oliveira, Edivaldo Herculano C. (2009). "Chromosomal analysis in Cathartidae: distribution of heterochromatic blocks and rDNA, and phylogenetic considerations". Genetica. 135 (3): 299–304. doi:10.1007/s10709-008-9278-2. PMID 18504528. S2CID 22786201.

"Species account: Lesser Yellow-headed Vulture Cathartes burrovianus". Global Raptor Information Network. 2014-05-08. Archived from the original on 2016-03-05. Retrieved 2016-02-29.
Remsen, J. V. Jr.; C. D. Cadena; A. Jaramillo; M. Nores; J. F. Pacheco; M. B. Robbins; T. S. Schulenberg; F. G. Stiles; D. F. Stotz & K. J. Zimmer. 2007. A classification of the bird species of South America. Archived 2009-03-02 at the Wayback Machine South American Classification Committee. Retrieved on 2007-10-15
Ericson, Per G. P.; Anderson, Cajsa L.; Britton, Tom; Elżanowski, Andrzej; Johansson, Ulf S.; Kallersjö, Mari; Ohlson, Jan I.; Parsons, Thomas J.; Zuccon, Dario; Mayr, Gerald (2006). "Diversification of Neoaves: integration of molecular sequence data and fossils" (PDF). Biology Letters. 2 (4): 543–7. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284. Archived from the original (PDF) on 2018-05-14. Retrieved 2013-02-23.
Quebrada de los Cuervos Archived 2013-09-28 at the Wayback Machine (in Spanish)