In1956, four years before Jane Goodall ventured into the world of chimpanzees and seven years before[展开全部]
In1956, four years before Jane Goodall ventured into the world of chimpanzees and seven years before Dian Fossey left to work with mountain gorillas, in fact, before anyone, man or woman had made such a trip, 23-year old Canadian biologist, Anne Innis Dagg, made an unprecedented solo journey to South Africa to become the first person in the world to study animal behavior in the...[收起部分]
