Koala sleeping in a eucalyptus tree - isolated close up

koala sleeping eucalyptus tree isolated close up cute fluffy fuzzy animal bear adorable peaceful wildlife mammal resting daytime phascolarctos cinereus koala bear arboreal nest herbivore marsupial species australia brisbane head ear claw body curled up comfortable relaxing forest woodland sedentary symbol typical behavior lazy wild free adult alone solitary male climber hand nocturnal