SeaWorld's attendance has dropped to 3.05 million from 3.5 million in the previous year's first quarter.
Since July 2013, the marine mammal park has been dealing with a public relations nightmare after the release of the controversial documentary film "Blackfish."
The film questions SeaWorld's long practice of keeping orcas (killer whales) in captivity and has since sparked a movement calling for an end to their captivity programs.
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