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Polar bears
Polar bears are some of the most ferocious mothers in the world, they don’t just feed their young ones, they literally melt their bodies to provide the much needed breast milk. Their young ones are protected through teeth, claw and extreme patience. When the winter comes, polar bears go into hibernation but the saddest aspect is that most of them already have babies at the time. Hibernating with up to three cabs sometimes without any reserve food is a sure death sentence for most animals.
