MacKay, M.M. and Bacon, C.E. 2019. Rare and antagonistic interactions between short-finned pilot whales (Globicephala macrorhynchus and fasting humpback whales (Megaptera novaeangliae) off Western Puerto Rico. Latin American Journal of Aquatic Mammals. 14, 1 (Sep. 2019), 34-40. DOI:https://doi.org/10.5597/00252.