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Polar bears are large marine mammals known for their thick white fur and black skin, which helps them blend into their Arctic habitat. They are excellent swimmers, capable of swimming long distances in search of food or to find new ice floes. Polar bears primarily feed on seals, making them one of the top predators in their ecosystem. However, climate change and melting sea ice pose significant threats to their survival. In zoos, polar bears are popular exhibits, allowing visitors to observe these magnificent creatures up close while also providing a platform for conservation education.