Alava, J. J., and G. Merlen. “Video-Documentation of a Killer Whale (<i>Orcinus orca</i>) Predatory Attack on a Giant Manta (<i>Manta birostris</I>) in the Galápagos Islands”. Latin American Journal of Aquatic Mammals, vol. 7, no. 1-2, Dec. 2009, pp. 81-84, doi:10.5597/lajam00139.