Koalas are often called koala bears, because a koala looks like a small bear or teddy bear. However, it is not a bear, it is quite a different type of animal.[5][7] Koalas sleep 20 hours a day due to their low-energy diet, the toxic eucalyptus leaves.[8][9]
↑ 5.05.1"Koala". National Geographic. 11 April 2010. Retrieved 2011-04-16.
↑Groves, Colin; Wilson D.E. & Reeder D M. (eds) 2005. ed. Mammal species of the world. 3rd ed, Johns Hopkins University Press, pp. 43. ISBN0-801-88221-4
↑Grand, T. I.; Barboza, P. S. (2001). "Anatomy and development of the koala, Phascolarctos cinereus: An evolutionary perspective on the superfamily Vombatoidea". Anatomy and Embryology. 203 (3): 211–223. doi:10.1007/s004290000153. PMID11303907. S2CID11662113.
↑"Koala facts". Environment | Department of Environment, Science and Innovation, Queensland. 2011-05-11. Retrieved 2024-09-10.