A.  Cruz and Andrews, R. W., ?Observations on the breeding biology of passerines in a seasonally flooded savanna in Venezuela?, Wilson Bulletin, vol. 101, pp. 62-76, 1989.

A.  Cruz, Manolis, T. A., and Andrews, R. W., ?Reproductive interactions of the Shiny Cowbird Molothrus bonariensis and the Yellow-hooded Blackbird Agelaius icterocephalus in Trinidad?, Ibis, vol. 132, pp. 436-444, 1990.

C.  Ortega and Cruz, A., ?A compatarive study of cowbird parasitism in Yellow-headed Blackbirds and Red-winged Blackbirds?, Auk, vol. 108, pp. 16-24, 1991.

A.  Cruz and Andrews, R. W., ?The breeding biology of the Pied Water-Tyrant and its interactions with Shiny Cowbird in Venezuela?, Journal of Field Ornithology, vol. 68, pp. 91-97, 1997.

R.  López-Ortiz, Ventosa-Febles, E. A., Ramos-Álvarez, K. R., Medina-Miranda, R., and Cruz, A., ?Reduction in host use suggests host specificity in individual Shiny Cowbirds (Molothrus bonariensis)?, Ornitolog{\'?a Neotropical, vol. 17, pp. 259-269, 2006.