Monteiro, Ronan de Azevedo, et al. “Vocal Repertoire and Group-Specific Signature in the Smooth-Billed Ani, Crotophaga Ani Linnaeus, 1758 (Cuculiformes, Aves)”. Papéis Avulsos De Zoologia, vol. 61, July 2021, p. e20216159, https://doi.org/10.11606/1807-0205/2021.61.59.