Trainers (from left) Joe Sanchez, Brian Faulkner and Kelly Aldrich work with orcas Trua (front to back) Kayla and Nalani during the "Believe" show in Shamu Stadium at the Aquatica by SeaWorld theme park in Orlando, Fla., in 2011. Phelan M. Ebenhack/AP hide caption

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SeaWorld Agrees To End Captive Breeding Of Killer Whales
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During the 2014 Tournament of Roses Parade, SeaWorld's float was accompanied by police in Pasadena, Calif. PETA supporters were arrested for protesting the float that day, and PETA claims that a SeaWorld employee posing as a PETA volunteer tipped police off to the protest. Ringo H.W. Chiu/AP hide caption

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PETA Says Undercover SeaWorld Employee Posed As Animal Rights Activist
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SeaWorld is fighting back against critics of the theme park's treatment of animals following a sharp decline in attendance. PR Newswire/AP hide caption

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SeaWorld Ads Counter Criticism Over Treatment Of Whales
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Elephant acts at Ringling Bros. and Barnum & Bailey Circus will be phased out by 2018, the circus' parent company said today. The elephants will retire to a conservation center in Polk City, Fla. Tamika Moore/AL.com/Landov hide caption

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Visitors watch an orca performance at SeaWorld in San Diego this year. The company has seen attendance slip in the year since the release of a documentary film critical of the company's captive whale program. Mike Blake/Reuters/Landov hide caption

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SeaWorld Hopes New Orca Habitats Will Stem A Tide Of Criticism
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Killer whales perform in Shamu Stadium at the SeaWorld Orlando theme park in Florida. SeaWorld says it will not appeal a citation that prohibits trainers from performing with the whales. Phelan M. Ebenhack/AP hide caption

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In a photo released by SeaWorld San Diego, Kasatka, a killer whale who is approximately 37 years old, swims with her newborn calf in February 2013. Mike Aguilera/SeaWorld San Diego/Getty Images hide caption

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An image provided by SeaWorld San Diego shows Kasatka in December 2004 with a calf she had given birth to just days before. Mike Aguilera/SeaWorld San Diego/Getty Images hide caption

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