Blackfish

http://www.webpronews.com/blackfish-documentary-truth-and-tragedy-2013-10
http://www.policymic.com/articles/69687/blackfish-documentary-shows-the-scary-reality-of-seaworld-s-orcas
http://en.wikipedia.org/wiki/Blackfish_(film)
http://blackfishmovie.com/
http://www.cnn.com/2013/10/24/living/parents-blackfish-kids-seaworld-zoos/
http://www.cnn.com/SPECIALS/us/cnn-films-blackfish/index.html
http://www.seaworldofhurt.com/blackfish.aspx
http://www.theglobeandmail.com/arts/summer-entertainment/blackfish-orca-documentary-lacks-scope-but-delivers-strong-message/article13301507/
http://www.thedailybeast.com/articles/2013/10/24/blackfish-director-killer-whales-don-t-belong-in-captivity.html
http://en.wikipedia.org/wiki/Tilikum_(orca)
http://www.clickorlando.com/news/osha-fines-seaworld-38500-for-safety-violation/-/1637132/20501998/-/tmqtyez/-/index.html

SeaWorld comment
 http://www.newstribune.com/news/2013/jul/25/blackfish-doc-looks-seaworlds-captive-whales/

Of Interest
http://stanislauscollege.blogspot.ca/2012/07/wild-animals-in-captivity.html
http://www.counterpunch.org/2015/07/21/seaworlds-undercover-spies/