GROENENDIJK, J.; HAJEK, F. A reliable method for sexing giant otters (Pteronura brasiliensis) in the wild. Latin American Journal of Aquatic Mammals, [S. l.], v. 10, n. 2, p. 163-165, 2015. DOI: 10.5597/lajam00211. Disponível em: https://www.lajamjournal.org/index.php/lajam/article/view/389. Acesso em: 28 apr. 2024.