Snow Monkeys Snow Monkeys

Snow monkeys don't monkey around when it comes to bathing in hot springs.

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On Nat Geo WILD's One Life documentary series (Sunday, 8/7c), the Japanese macaque, better known as the snow monkey, knows how to warm up on a cold day: a dip in a steamy, thermal hot spring. It's serious business for these primates, and the look of peace and bliss on their faces show just how good the 100-degree temperatures feel.

But why are some members of the group shivering outside of the water? Unfortunately, snow monkeys mirror human society pretty closely, and that includes politics determining who gets certain privileges. Check out this exclusive sneak peek to see why:

One Life, which is narrated by James Bond star Daniel Craig, was created from more than 10,000 hours of footage filmed from every continent. It examines the journey of all living things and offers never-before-captured sequences of animal behavior and stunning scenery. One Life premieres Sunday at 8/7c on Nat Geo WILD.