M. Espinal, J. M. Mora, C. O'Reilly, and J. M. Solís, “Leucism and Reproduction in the Neotropic Cormorant (Phalacrocorax brasilianus) in the Golfo de Fonseca, Honduras”, Ceiba, vol. 52, no. 2, pp. 206–208, Jan. 2015.