Artists have fled from the calendar after CNN broadcast the documentary `` Blackfish '' It raises questions about the safety and humaneness of keeping killer whales in captivity . The film was released on Monday by animal rights group PETA.
Artists have fled from the calendar after CNN broadcast the documentary `` Blackfish '' It raises questions about the safety and humaneness of keeping killer whales in captivity . SeaWorld says the documentary ignores the park 's conservation efforts and research .