Q:

Do monkeys have thumbs?

A:

Quick Answer

Old World monkeys from Africa and Asia, as well as some lemurs and lorises, have thumbs. New World monkeys from Central and South America lack opposable thumbs.

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Do monkeys have thumbs?
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Full Answer

In fact, the spider monkey lacks a fifth digit entirely, having only four digits on each hand. It does, however, have five digits on each foot. Monkeys that lack opposable thumbs employ a different kind of grip as an adaptation for living high in trees. They use their whole hand in a strong grip to hold onto branches. The ability of Old World monkeys to touch the tips of their other fingers with their thumb is called a "precision grip."

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