da Silva, V.M.F., Fettuccia, D., Rodrigues, E.S., Edwards, H., Moreno, I.B., Moura, J.F., Wedekin, L.L., Bazzalo, M., Emin-Lima, N.R., Carmo, N.A.S., Siciliano, S. and Utreras B., V. 2010. Report of the Working Group on Distribution, Habitat Characteristics and Preferences, and Group Size. Latin American Journal of Aquatic Mammals. 8, 1-2 (Dec. 2010), 31-38. DOI:https://doi.org/10.5597/lajam00151.