References

Nummela, S., J. G. M. Thewissen, S. Bajpai, S. T. Hussain, and K. Kumar. 2004. Eocene evolution of whale hearing. Nature 7001, 776-777.

Koopman, H. N., S. J. Iverson, and A. J. Read. 2003. High concentrations of isovaleric acid in the fats of odontocetes: variation and patterns of accumulation in blubber vs. stability in the melon. Journal of Comparative Physiology 173, 247–261.

Barrett-Lennard, L. G., J. K. B. Ford, and K. A. Heise. 1996. The mixed blessing of echolocation differences in sonar use by fish-eating and mammal-eating killer whales. Animal Behavior 51, 553-565.

Miller, P.J., M. P. Johnson, and P.L. Tyack. 2004. Sperm whale behaviour indicates the use of echolocation click buzzes "creaks" in prey capture. Proceedings of the Royal Biological Society 271 (1554), 2239-2247.

Nachtigall, P. E., M. M. Yuen, T. A. Mooney, K. Taylor. 2005. Hearing measurements from a stranded infant Risso’s dolphin, Grampus griseus. Journal of Exploratory Biology 208, 4181–4188.

http://www.pbs.org/wgbh/evolution/library/03/4/l_034_05.html

Christopher W. Clark, "Underwater noise", in AccessScience@McGraw-Hill, http://www.accessscience.com, DOI 10.1036/1097-8542.YB980825, last modified: April 10, 2000.

Pictures (in order of appearance)

Index:
1)  20061204
2)  www.coolantarctica.com/.../whales/whales.htm20061204
3)  www.cresli.org/cresli/checklist.html20061204

Phylogeny:
1)  20061204
2)  20061204
3)  www.skullsite.co.uk/Whale/whale.htm 20061204
4)  20061204
5)  www.skullsite.co.uk/Whale/whale.htm 20061204

Ontogeny:
1) www.mccollom.usd259.org/.../whale_of_a_project.htm 20061204


Mechanism:
1) www.answers.com/topic/animal-echolocation 20061204

Adaptive value:
1) www.utah.edu/unews/releases/05/sep/whalelice.html  20061204
2)  www.scienceclarified.com/Ca-Ch/Cetaceans.html 20061204
3)  www.tolweb.org/Odontoceti/16025 20061204


Figure 2. Derrrrr a goofy whale. Available from http://www.joanocean.com/whales.html