The country last year banned breeding or keeping dolphins and killer whales in captivity, except for orcas and bottlenose dolphins already held. Born Free's Will Travers said the study was the ...
"The killer whale that we studied in captivity was capable of learning vocalisations of other killer whales and also human vocalisations by imitating them," said Dr Call. "Therefore this result ...
The waters in southern British Columbia and Washington state were the world's principal source of captive killer whales for marine theme parks between 1964 and 1976, according to Colby.
SeaWorld announced it would phase out its killer whale show in San Diego. The announcement comes after the amusement park was hit with waves of criticism over how it treated its captive Killer Whales.