References

ANMH 2013. <http://www.amnh.org/explore/news-blogs/on-exhibit-posts/sperm-whales-amazing-adaptations>. Accessed 12 April 2014.

Ballenger, L. 2003. Physeter catodon. <http://animaldiversity.ummz.umich.edu/accounts/Physeter_catodon/>. Accessed April 16, 2014

Carder. , Bedholm, K., & Ridgway, S. H. 2012. Porpoise clicks from a sperm whale nose—convergent evolution of 130 khz pulses in toothed whale sonars?. Bioacoustics: The International Journal of Animal Sound and its Recording, 15(2), 195-206.< http://www.tandfonline.com/doi/citedby/10.1080/09524622.2005.9753547#tabModule>. Accessed 12 2014.

Connor, R. C., J. Mann, P. L. Tyack, and H. Whitehead. Social Evolution in toothed whales. 228-231.

Engelhaupt D., A. R. Hoelzel, C. Nicholson, A. Frantzis, S. Mesnick, S. Gero, H. Whitehead, L. Rendell, P. Miller, R. D. Stefanis, A. Canadas, S. Airoldi, and A. A. Mignucci-Giannoni. 2009. Female philopatry in coastal basins and male dispersion across the North Atlantic in a highly mobile marine species, the sperm whale (Physeter macrocephalus). Molecular Ecology:  4193-4205

     Evans, G.H. 1997. Ecology of sperm whales (Physeter macrocephalus) in the Eastern North Atlantic, with special reference to sighting & stranding records from the British Isles. Bulltein De L'Institut Royal Des Sciences Naturalles De Belgique 67:37-46.

Evans, K. and M. A. Hindell. 2004. The age structure and growth of female sperm whales (Physeter macrocephalus) in souther Australian waters. The Zoological Society of London:  237-248.

Harrison, M. 2005. The kid's times: Sperm whale. NOAA’s National Marine Fisheries Service, Office of Protected Resources , 2(8), 1-5. <http://www.nmfs.noaa.gov/pr/pdfs/education/kids_times_whale_sperm.pdf>. Accessed 12 April 2014.

 Hindell, M. A., & Evans, K. 2004. The diet of sperm whales (Physeter macrocephalus) in southern Australian waters. ICES Journal of Marine Science, 61(8), 1313-1329. <http://icesjms.oxfordjournals.org/content/61/8/1313.full#cited-by >. Accessed 13 April 2014.

Huggenberger S., M. Andre, and H. A. Oelschlager. 2013. An acoustic valve within the nose of sperm whales (Physeter macrocephalus). Mammal Review:  81-87.

Noren, S. R., & Williams, T. M. 2000. Body size and skeletal muscle myoglobin of cetaceans: adaptations for maximizing dive duration. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 126(2), 181-191. <http://www.sciencedirect.com/science/article/pii/S1095643300001823>. Acessed 9 April 2014.

OELSCHLAGER, H. H. A., & Kemp, B.1998. Ontogenesis of the sperm whale brain. THE JOURNAL OF COMPARATIVE NEUROLOGY, 399, 210-228.<http://onlinelibrary.wiley.com/store/10.1002/(SICI)1096-9861(19980921)399:2<210::AID-CNE5>3.0.CO;2-3/asset/5_ftp.pdf?v=1&t=htthk6h5&s=a079398e69ab0983699bd879d0233ad3427bd9eb>. Accessed 9 April 2014. 

Sperm whale Physeter macrocephalus. (n.d). <http://animals.nationalgeographic.com/animals/mammals/sperm-whale/>. Accesed 17 April 2014.

Taylor, B.L., Baird, R., Barlow, J., Dawson, S.M., Ford, J., Mead, J.G., Notarbartolo di Sciara, G., Wade, P. & Pitman, R.L. 2008. Physeter macrocephalus<http://www.iucnredlist.org/details/41755/0>. Accessed 16 April 2014.  

 The Society for Marine Mammalogy (n.d). <http://www.marinemammalscience.org/index.php?option=com_content&view=article&id=496&Itemid=313>. Accessed April 9 2014.

Watwood, S. L., P. J. O. Miller, M. Johnson, P.T. Madsen, P. L. Tyack. 2006. Deep-diving foraging behavior of sperm whales (Physeter macrocephalus). Journal of Animal Ecology:  814-825.

Willford, J. 2010. Whaling, The Old Way. 1-38.