Reference List

Perry, Simona L., and DeMaster, Douglas P. and Silber, Gregory K. (1999) The Great Whales: History and Status of Six Species Listed as Endangered Under the U.S. Endangered Species Act of 1973. Marine Fisheries Review, 61(1), pp. 1-74.

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". The IUCN Red List of Threatened Species.

Estes, J. (2006). Whales, Whaling, and Ocean Ecosystems. University of California Press. p. 329.

https://www.fisheries.noaa.gov/species/sperm-whale

http://www.marinemammalcenter.org/education/marine-mammal-information/cetaceans/sperm-whale.html

http://content.cdlib.org/view?docId=kt7t1nb2f7&&doc.view=entire_text

http://americanhistory.si.edu/onthewater/exhibition/3_7.html 

https://www.theinertia.com/environment/13-sperm-whales-found-dead-with-stomachs-full-of-plastic-trash

https://www.nationalgeographic.com/environment/2018/11/dead-sperm-whale-filled-with-plastic-trash-indonesia/

https://marinesanctuary.org/blog/plastic-pollution-ocean-conservation-challenge/?gclid=Cj0KCQiA_4jgBRDhARIsADezXciudrA1-Esizvr8Lrr5lwn-qXk0dcyVr-ow-bsDUqcULqNw9j4Jx3YaAqjuEALw_wcB

https://www.iucnredlist.org/species/41755/10554884#conservation-actions

https://news.nationalgeographic.com/news/2010/05/100521-science-environment-gulf-mexico-oil-spill-sperm-whales/

https://www.whalefacts.org/are-sperm-whales-endangered/

https://www.abc.net.au/news/2010-05-03/timeline-20-years-of-major-oil-spills/419898

https://www.greateratlantic.fisheries.noaa.gov/shipstrike/news/shipstrike03.pdf

https://www.int-res.com/articles/esr_oa/n024p033.pdf

https://www.researchgate.net/figure/Modelled-distribution-map-for-the-sperm-

whale_fig9_263329855

https://www.enchantedlearning.com/subjects/whales/species/Spermwhale.shtml

https://www.westernaustralia.com/en/plan_your_trip/pages/wa_maps.aspx#/