What primary energetic benefit do Japanese macaques gain from soaking in hot springs?

Answer

Conserve calories that would otherwise be expended shivering

Soaking in geothermal waters allows the macaques to conserve a considerable amount of calories that they would otherwise burn trying to maintain core body temperature by shivering or huddling.

What primary energetic benefit do Japanese macaques gain from soaking in hot springs?

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How Long Do Japanese Macaques Live? - The Wild Life Explorer

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