Mellink, E., Luévano, J. and Zuria, I. (1998) “Note on the Pelecaniformes, Ciconiiformes, terns (Sterninae) and black skimmers (Rynchopinae) along the Costa Chica of Oaxaca, Mexico”, Ciencias Marinas, 24(4), pp. 367–388. doi: 10.7773/cm.v24i4.767.