ILLUSTRATION CREDITS
Figures 3 and 4. Sylvia van der Woude, “Effects of Signature Whistle Playbacks on Bottlenose Dolphins” (unpublished master’s thesis, Berlin: Freie Universität Berlin, 2003). Used with permission of the author.
Figure 5. Adam Pack, Louis Herman, Matthias Hofmann-Kuhnt, and Brian Branstetter, “The Object Behind the Echo: Dolphins Perceive Object Shape Globally Through Echolocation,” Behavioural Processes, vol. 58, 2002, pp. 1-26. Used with permission of the authors.
Figure 8. Courtesy of Rauno Lauhakangas and Jim Nollman. Used with permission.
Figures 12-Figures 18. Roger Payne and Scott McVay, “Songs of Humpback Whales,” Science, vol. 173, no. 3997, Aug. 13, 1971, pp. 585-597. Used with permission of the authors.
Figures 21, 22. Katherine Payne, Peter Tyack, and Roger Payne, “Progressive Changes in the Songs of Humpback Whales: A Detailed Analysis of Two Seasons in Hawaii,” in Roger Payne, ed., Communication and Behavior in Whales (Boulder, CO: Westview Press, 1983), pp. 9-57. Used with permission.
Figures 23-Figures 25. Eduardo Mercado, Louis Herman, and Adam Pack, “Stereotypical sound patterns in humpback whale song,” Aquatic Mammals, vol. 29, no. 1, 2003, pp. 37-52. Used with permission.
Figures 26-Figures 28. Nina Eriksen, Lee Miller, Jakob Tougaard, and David Helweg, “Cultural Change in the Songs of Humpback Whales from Tonga,” Behaviour, no. 142, 2005, pp. 305-328. Used with permission.
Figure 29. Andy Coghlan, “Whales Boast the Brain Cells That Make Us Human,” New Scientist, Nov. 27, 2006. Used with permission.
Figures 30, 31. Hal Whitehead, Sperm Whales: Social Evolution in the Ocean (Chicago: University of Chicago Press, 2003). Used with permission.
Figure 32. Data compiled by Serge Masse.
Figures 35, 36. Erin Oleson, Sean Wiggins, and John Hildebrand, “Temporal Separation of Blue Whale Call Types on a Southern California Feeding Ground,” Animal Behaviour, vol. 74, no. 4, 2007, pp. 881-894. Used with permission.
Figures 37, 38. Mark McDonald, Sarah Resnick, and John Hildebrand, “Biogeographic Characterization of Blue Whale Song Worldwide: Using Song to Identify Populations,” Journal of Cetacean Research Management, vol. 8, no. 1, 2006, pp. 55-65. Used with permission.