queensland koala bear sleeping in a tree, closeup portrait of a koala, vulnerable marsupial specie from australia

adult adustus animal animals arboreal australia australian bear bears cinereus closeup conservation exotic female fur gray grey hair hairy koala koalas list listed locomotion male mammal mammals marsupial marsupials pet pets phascolarctidae phascolarctos portrait queensland red rest resting sleep sleeping specie species status threatened tree tropical vulnerable zoo zoology