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References

 

  • Best PB (2007) Whales and Dolphins of the Southern African Subregion. pp 83-89. Cambridge University Press.
  • Best PB (1979) Social organisation in sperm whales, Physeter macrocephalus.  pp 227-289 in (Winn HE and Olla BL eds) Behaviour of Marine Animals. Current Perspectives in Research: 3. Cetaceans. Plenum Press, New York.
  • IUCN (2009).  The IUCN Red List of Threatened Species, 2009.2.  Physeter macrocephalus. International Union for Conservation of Nature and Natural Resources.
  • Jefferson TA, Webber MA and Pitman RL (2008)  Marine Mammals of the World. A Comprehensive Guide to their Identification. Academic Press.
  • Linnaeus C (1758)  Systema Naturae per regna tria naturae, secundum classis, ordines, genera, species cum characteribus, differentiis, synonymis, locis. Tenth ed. Vol. 1. Laurentii Salvii, Stockholm.
  • Nowak RM (2003) Walker’s Marine Mammals of the World. The Johns Hopkins University Press.
  • Ralls K, Brownwell Jr RL and Ballou J (1980) Differential mortality by sex and age in mammals, with special reference to the sperm whale. Report of the International Whaling Commission (Special Issue) 2: 233-243.
  • Rice DW (1989) Sperm Whale Physeter macrocephalus Linnaeus, 1758. pp 177-233 in (Ridgway SH and Harrison RJ eds) Handbook of Marine Mammals 4: River dolphins and the larger toothed whales. Academic Press, London.
  • Rice DW (1977) A List of the Marine Mammals of the World (third edition). US National Marine Fisheries Service, NOAA Technical Report NMFS SSRF-711, iii + 15 pp.
  • Watkins WA, Daher MA, Fristrup KM, Howald TJ and Di Sciara GN (1993) Sperm whales tagged with transponders and tracked underwater by sonar. Marine Mammal Science 9(1): 55-67.
  • Whitehead H (2002) Estimates of the current global population size and historical trajectory for sperm whales. Marine Ecology Progress Series 242: 295-304.
  • Wilson DE and Reeder DM (eds) (2005) Mammal Species of the World. A Taxonomic and Geographic Reference (third edition). Johns Hopkins University Press.