As cameras follow a family of koalas on an Australian island, a look is taken at the herbivores' unique bond with the eucalypt trees, and while the plant is poisonous to most other mammals, the marsupials rely on the trees for mating, food and more. 展开全部
As cameras follow a family of koalas on an Australian island, a look is taken at the herbivores' unique bond with the eucalypt trees, and while the plant is poisonous to most other mammals, the marsupials rely on the trees for mating, food and more. 收起全部