Pivari, Daniela, Sergio Moreira, Heitor Crespo, Júlio Cardoso, and Renata Sousa-Lima. 2024. “Downsweep Calls Attributed to Sei Whales, Balaenoptera Borealis, in Ilhabela, São Paulo, Brazil”. Latin American Journal of Aquatic Mammals 19 (2):226-30. https://doi.org/10.5597/lajam00331.