Feare, Christopher J., and Maria Elena Zaccagnini. “Roost Departure by Shiny Cowbirds (Molothrus Bonariensis)”. El Hornero 13, no. 4 (September 1, 1993): 292–293. Accessed November 30, 2025. https://elhornero.avesargentinas.org.ar/home/article/view/1051.