ベイト・ボール
http://news.nationalgeographic.com/news/2002/06/0624_020624_TVbubble.html 2007年11月1日閲覧。
↑ Prepared by the Humpback Whale Recovery Team for the National Marine Fisheries Service, Silver Spring, Maryland (1991). Recovery Plan for the Humpback Whale (Megaptera novaeangliae). National Marine Fisheries Service. pp. 105
↑ Weinrich MT, Schilling MR and Belt CR (1992) "Evidence for acquisition of a novel feeding behaviour: lobtail feeding in humpback whales, Megaptera novaeangliae" Animal Behaviour, 44: 1059–1072. doi:10.1016/S0003-3472(05)80318-5
↑ Arnold PW, Birtles RA, Sobtzick S, Matthews M and Dunstan A (2005) "Gulping behaviour in rorqual whales: underwater observations and functional interpretation" Memoirs of the Queensland Museum, 51, 309–332