Sleepy Koala Scratching Itself On A Tree Branch Inside The Zoo - low angle, close up

koala scratching eucalyptus mammal wildlife fauna furry national geographic tree branch phascolarctos cinereus zoo sleepy nat geo endangered herbivore branch aussie fur ears animal adorable cute australia lazy habitat species close up cuddly portrait wild tree australian sitting young bear nature native natural low angle background face leaf green magnetic leaves grey gray outback isolated