19K views · 617 reactions | Did you know that koalas love their personal space?  These animals are highly territorial, meaning they're not that keen to share their space with other koalas. They ward off potential intruders by marking their territory with oil from scent glands on their chests – and for males, bellowing during mating reason. #ausgeo #australia #koala #seeaustralia #animalfact | Australian Geographic | Facebook