Conservationist and chimpanzee expert Dame Jane Goodall has died at 91 from natural causes during a US speaking tour. (via BBC)

自然资源保护者暨黑猩猩研究专家珍·古道尔女爵士在美国巡回演讲期间自然离世，享年91岁。#珍·古道尔 #JaneGoodall #chimpanzeeexpert