http://seaworld.org/animal-info/animal-bytes/mammals/koala/
http://www.livescience.com/27401-koalas-facts.html
https://www.savethekoala.com/about-koalas/interesting-facts
http://animals.nationalgeographic.com/animals/mammals/koala/
http://www.livescience.com/27401-koalas-facts.html
https://www.savethekoala.com/about-koalas/interesting-facts
http://animals.nationalgeographic.com/animals/mammals/koala/