5 Fun Facts About the Spider Monkey 1. They are some of the largest new world monkeys.…

5 Fun Facts About the Spider Monkey 1. They are some of the largest new world monkeys. Spider monkeys are big! 2. They move using brachiation. The stereotypical monkey, swinging from branch to branch and coiling its tail around tree limbs to hang from is, on average, inaccurate. 3. Spider monkeys don’t have thumbs. They lack opposable thumbs on their hands like most other primates, which is another special adaptation. 4. They can defend themselves with projectiles. When an intruder is sensed, spider monkeys have a number of defences. 5. Pendulous erectile clitorises. That’s a phrase you probably don’t hear every day.