ABC Evening News for Tuesday, Jul 06, 1999
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(Studio: Peter Jennings) Report introduced.
(New York: Ned Potter) New research findings that apparently docile dolphins are actually killers featured; scenes shown of dolphins attacking others; details given of theories as to why they kill. [National Marine Fisheries Service Trevor SPRADLIN - comments on dolphin behavior.] [Virginia Marine Science Museum Mark SWINGLE - explains why the males may be killing their own.]
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