What is the primary function of the pygmy marmoset's long, squirrel-like tail?

Answer

Providing balance as the monkey leaps

The tail is not prehensile; instead, it acts as a crucial prop to provide balance when the monkey leaps and travels through the treetops.

What is the primary function of the pygmy marmoset's long, squirrel-like tail?
animalmammalappearancePrimatePygmy Marmoset