In 2018, a study made headlines when it found that a captive orca, or killer whale, was able to imitate human speech. The whale, called Wikie, lived at the Marineland Aquarium in Antibes, France.

Imagine hearing a killer whale say "hello" or "goodbye"; it might seem like something taken from a science fiction movie, but ...

Orcas display a variety of skills, like coordinated hunting and regional ‘dialects.’ They have also revealed several interesting habits, like grooming each other with kelp and offering food to humans.