The perceptions of gorillas are beginning to change as primatologists get to know more about Rollie , a ten-year-old female who lives at Lincoln Park Zoo in Chicago.

• 随着灵长类动物学家对罗妮（芝加哥林肯动物园内一只10岁的雌性大猩猩）的认识加深，人们对大猩猩不够聪明的观点开始改变。