Pozo-Zamora, Glenda M., et al. “Observation on the Great Grebe Podiceps Major (Aves: Podicipedidae) in Ecuador, With the First Nesting Record and Description of Calls”. ACI Avances En Ciencias E Ingenierías, vol. 7, no. 1, May 2015, https://doi.org/10.18272/aci.v7i1.220.