the spider monkey

the spider monkey or the ateles geoffroyi are a bit different from what you would expect from other monkeys like chimpanzees. this monkey has a less complex brain then most other monkeys and the spider monkey does not have opposable thumbs. the spider monkey can also have a tail longer than it`s body , black hands and legs,and stand on it`s hind legs when on the lookout. these monkeys also live in groups of around 30 other spider monkeys but usely roam independently in the same general are as the other monkeys in the group.