From the book “Koala a historical biography”, by Ann Moyal  (google), pages 115-116: Frederic Wood James, an early Professor of Zoology at the university of Adelaide, also wrote affectionately after some close encounters of the koalas in captivity and in the wild: “The animal is wholly inoffensive and makes a most curiously affectionate pet. When brought in captivity it becomes strangely dependent upon human...