What are monkey tails good for?

It sounds like you're asking about the prehensile tails of some monkey species, not the actual tail of a monkey.

Prehensile tails are incredibly useful for these monkeys, acting as a fifth limb. Here's how:

* Grasping and Holding: They can wrap around branches, providing a secure grip and allowing the monkey to hang upside down.

* Balance: They act as a counterweight, aiding in balance and movement, especially when navigating through dense foliage.

* Support: They can be used to support the monkey's weight while it climbs or rests.

* Reaching: They can extend to grab food or objects that are out of reach.

* Communication: Some monkeys use their tails to signal to other monkeys, expressing emotions or intentions.

So, while you might not eat a monkey's tail, they are incredibly useful for the monkeys themselves!