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.

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.

Tilikum, an orca that killed a trainer at SeaWorld Orlando in 2010 and was profiled in a documentary that helped sway popular opinion against keeping killer whales in captivity at SeaWorld parks, has ...