Killer whales are able to mimic words such as "hello," according to researchers. <br /><br />Scientists at the University of St Andrews studied the sounds made by the voice of an orca named Wikie and discovered the 14-year-old female orca was able to say words such as "hello," "one, two" and "bye, bye."<br /><br />The research appears in the journal Proceedings of the Royal Society B: Biological Sciences, published today (January 31).<br /><br />In this file video, an orca kisses a trainer during a show at SeaWorld San Antonio in Texas.<br /><br />++CLIENTS PLEASE NOTE: THIS VIDEO HAS BEEN LOOPED++
