What is a key physical feature distinguishing the Japanese macaque, unusual for a macaque species?

Answer

A relatively short tail, often less than 10 centimeters long

A key identifying physical feature of the Japanese macaque is its relatively short tail, which is often less than 10 centimeters in length, making it somewhat unusual for a macaque species.

What is a key physical feature distinguishing the Japanese macaque, unusual for a macaque species?
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