Hernández-Vázquez, S. and Fernández-Acevez, G. (1999) “Reproduction of Cochlearius cochlearius (boat-billed heron) and Butorides virescens (green-backed heron) in La Manzanilla, Jalisco, Mexico”, Ciencias Marinas, 25(2), pp. 277–291. doi: 10.7773/cm.v25i2.660.