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Humpback whales are a species of baleen whale known for their distinctive long pectoral fins, which can be up to one-third of their body length. They are found in oceans all over the world and are famous for their complex and melodious songs, which can last for hours and can be heard for miles. Humpback whales feed on krill and small fish and use a technique called bubble net feeding to trap their prey in a circle of bubbles before swallowing them in large mouthfuls. They are known to breach the water's surface, slapping the water with their fins or tails, which is believed to be a form of communication or play behavior. Humpback whales reach lengths of up to 50 feet and can weigh as much as 79,000 pounds. They are considered endangered due to historical whaling and current threats such as entanglement in fishing gear and vessel strikes. As part of the Animal Kingdom and within the categories of Animals, Mammals, and Whales, Humpback Whale is a species that stands out for its unique physical characteristics, complex behaviors, and conservation status.