The "Great Apes" (chimpanzees, gorillas, orangutans), "Lesser Apes" (gibbons), and humans. Key Characteristics
Most have opposable thumbs (and sometimes big toes), allowing for precise manipulation of objects and sophisticated grooming behaviors. Social Behavior AntropГіide
Old World monkeys like baboons and macaques. The "Great Apes" (chimpanzees
They possess a larger brain-to-body size ratio, supporting complex social structures and problem-solving abilities. "Lesser Apes" (gibbons)