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The "Polar Bear" subcategory focuses on the species of bear native to the Arctic region, delving into their unique adaptations and behaviors that allow them to thrive in one of the world's harshest environments. As part of the "Animals By Habitat" hierarchy within "Arctic," this category highlights the distinct characteristics that set polar bears apart from other bear species, such as their specialized fur and fat for insulation, large paws for walking on ice, and keen sense of smell to detect seals—their primary food source. Additionally, this subcategory may feature information on conservation efforts aimed at preserving the polar bear population in light of climate change and its effects on their natural habitat. Overall, "Polar Bear" provides an in-depth look at these majestic creatures within the broader context of Arctic wildlife and the challenges they face for survival.