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Orcas, also known as killer whales, are a species of marine mammals that are highly intelligent and social creatures. They are easily recognizable by their distinct black and white coloring, as well as their large dorsal fin. Orcas are apex predators, feeding on a wide variety of prey including fish, seals, and even other whales. They are known for their complex social structure, communication skills, and impressive hunting techniques. Orcas can be found in oceans around the world, from the Arctic to the Antarctic, making them one of the most widely distributed marine mammals on the planet.