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Killer whales, also known as orcas, are apex predators and the largest species of the dolphin family. They are instantly recognizable by their striking black and white coloration, with a distinctive white patch behind each eye. These mammals are highly intelligent and social animals, living in complex matriarchal groups called pods. Killer whales have a varied diet that includes fish, seals, sea lions, dolphins, and even large whales. They are known for their impressive agility and hunting strategies, which can involve coordinated attacks by multiple members of a pod. In the animal kingdom, killer whales belong to the mammal class and are part of the marine and aquatic mammals that live in oceans around the world. Within this hierarchy, they fall under the larger category of whales, which includes various species of baleen and toothed whales. As a result, killer whales share many characteristics with other whales, such as breathing air, giving birth to live young, and having a thick layer of blubber to insulate their bodies in cold water. However, their intelligence, social structure, and diverse diet set them apart from other whales and make them a fascinating subject for study and observation.