Unfortunately, dolphins have been subjected to negative human interaction including that of being hunted commercially as food, as well as the source for oil (from their aforementioned melon) and pollution (Encarta). Dolphins get trapped in nets – approximately 4.8 million dolphins died in nets between 1959 and 1972 (Encarta). Dolphins are protected more now than ever, thanks to the Marine Mammal Protection Act of 1972, which regulates the tuna nets that have been so deadly (Encarta).
Human fascination with dolphins, and the desire to get closer to such beautiful mammals can be partially to blame for the depletion of the …
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“Dolphin (aquatic mammal),” Microsoft® Encarta® Online Encyclopedia 2002
http://encarta.msn.com © 1997-2002 Accessed 11/20/02 http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761552786
“Dolphins & Porpoises: Delphinidae and Phocoenidae” The Marine Mammal Center, Online. Revised 02/02. Accessed 11/19/02 http://www.marinemammalcenter.org/learning/education/whales/dolphins.asp