Captivity of Killer Whales

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Persuasive Speech Outline The Effects of Captivity on Killer Whales Specific Purpose: To persuade my audience that holding killer whales in captivity is harmful to the mammal. Central Idea: Holding killer whales in captivity is a harmful problem to the mammal that requires action from both the government and the public. Introduction On February 24, 2010 couples and families were seated in the stadiums at SeaWorld in Orlando, Florida for one of the most popular shows at the theme park “Believe”. Unfortunately, many families participating in that day’s event were eye-witnesses to an extremely traumatic tragedy at the SeaWorld theme park. It was reported by CNN news that the trainer Dawna Brancheau was grabbed by the mouth of…show more content…
Holding killer whales in captivity can negatively change their social behaviors. 1. According to, the stress on the whales in captivity can cause stomach ulcers, and pacing. a. Stomach ulcers are often found in whales in captivity due to the stressful lifestyle. b. Whales resort to pacing around the tank in circles to emulate the fast strong feeling of a swim normally done in the wild in an attempt to keep their dorsal fin upright. c. Without a strong long distance swim, a whale’s dorsal fin becomes weakened and will eventually either look bent, curve to the side, or break off. 2. Self-mutilation is another unordinary behavior that occurs with whales in captivity. a. Whales kept at marine mammal parks, have been known to ram their heads into the sides of the tank in order to relieve stress. b. Whales kept at marine mammal parks, have been known to bite along the steel gates that separate the whales in order to help relieve their stress, however; this results in broken teeth and other oral problems. 3. Aggression towards the whale’s trainers is frequently seen with whales held in captivity and can make it very dangerous for trainers to work with them. a. Trainers at SeaWorld have noticed aggressive behavior such as biting, grabbing, and forceful nudging from the whales occasionally but are not allowed to speak about it. b. According to an article on, the whale Tilikum has been responsible for three
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