Koala sleeping in crook of tree, close up, Brisbane, Australia

koala australia brisbane sleeping tree close up wildlife animal marsupial native cute cuddle asleep nap habitat environment behavior iconic gray solitary fur herbivore asocial species mammal nature eucalyptus wild adorable natural outdoors queensland endangered peaceful one indigenous rest curled up closeup static low angle looking up locked off locked down adult tired captive phascolarctos cinereus series