1. Ayarzaguena, J. 1984. Sobre Ia nidificación del vencejo castano (Cypseloides cryptus) (Aves: Apodidae). Memória de Ia Sociedad de Ciências Naturales La Salle, 122: 141–147.
2. Beebe, W. 1949. The swifts of Rancho Grande, north-central Venezuela, with special reference to migration. Zoológica, 34: 53–62.
3. Biancalana, R. N. (2015). Breeding biology of the Sooty Swift Cypseloides fumigatus in São Paulo, Brazil. Wilson Journal of Ornithology, inpress
4. Borror, D. J.; Triplehorn, C. A. & Johnson, N. F. 1992. An introduction to the study of insects, 6’hed. Orlando: Harcourt Brace & Company.
5. Buli, E. L. & Beckwith, R. C. 1993. Diet and foraging behavior of Vaux’s Swifts in northeastern Oregon. Condor, 95: 1016–1023.