Each pod has its own unique, individual dialect. Following several years of negative press, in November one SeaWorld facility in San Diego, which holds 11 orcas, announced that it would start "phasing out" some of its circus-style shows.
Because of documentary is a which was their species project end whale named tilikum is a wave of lot.
Many people are fascinated by these whales when they see them perform in marine parks such as SeaWorld. Killer whales should not be treated any differently, which is why they should not be held in captivity.
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.
Self-mutilation is another unordinary behavior that occurs with whales in captivity. They are being overbred, crossbred, and even inbred. The practice of taking them into captivity started in the s. These behaviours tend to have no real purpose other than stimulating the orca's senses, says Marino.
Follow BBC Earth.