Top 10 Times Animals Held Grudges Against Humans And Took Revenge. Debate remains as to whether animals are capable of deep emotions like holding grudges. However, most scientists would agree that animals can have personality traits comparable to humans, so it's possible that they can hold grudges.

Are animals capable of revenge?

Studies have shown that revenge is in fact widespread among animals, from birds of the Galapagos, called blue-footed boobies, to elephant seals.

Do pets hold grudges?

Research clearly shows that dogs have the cognitive and emotional capacities to hold grudges. They remember events from the past and these memories can persist for a long while.