Vocal foragers and silent crowds: context-dependent vocal variation in Northeast Atlantic long-finned pilot whales - Visser, Fleur; Kok, Annebelle C.M.; Oudejans, Machiel G.; Scott-Hayward, Lindesay A.S.; DeRuiter, Stacy L.; Alves, Ana C.; Antunes, Ricardo N.; Isojunno, Saana; Pierce, Graham J.; Slabbekoorn, Hans; Huisman, Jef; Miller, Patrick J. O. (Behavioral Ecology and Sociobiology, 2017)