Have a tight social organization
Speaking of the interoperability between herd members, there is a lot of evidence that killer whales are extremely affectionate with their fellow humans, unlike many other animals.
Killer whales swim with at least 5 different groups of orcas, and the interesting thing is that all of them love and care for this injured fish - an extremely rare thing in the animal world because there are always Competition between populations and injured individuals are often left to die. Once, the team witnessed an emotional scene: two killer whales breaking waves in the sea, and each holding a large herring in its mouth for the injured.
Killer whales are extremely social creatures, more so than any other animal on the planet except humans. That is the reason why killer whales often run aground in groups, because when one member accidentally swims into shallow water and runs aground, the other members of the group will not abandon it and find a way. rescue".