Social media users have shared their amazement at the complexity of killer whale communication ... it reaffirms the incredible intelligence and adaptability of these marine giants.

Dawn Brancheau was one of SeaWorld's most experienced trainers before she was mauled to death by Tilikum the killer whale in front ... captivity had rendered the intelligent, sensitive animal ...

eye contact with one of the most complex and intelligent mammals on the planet... Another killer whale passes under our boat, and slowly rises to spy-hop the tiny zodiac. Making eye contact with ...