Bark eating koalas, just when you thought you'd seen it all.

A small population of bark-eating koalas in forests between Canberra and Cooma have caught the attention of wildlife researchers with their unusual eating habits, after they developed a taste for more than gum leaves.

http://www.abc.net.au/news/2015-11-21/bark-eating-koalas-destroying-gumtrees-near-canberra/6928828

The next time something heavy goes thump on the roof, during the night, you'll be left wondering not only what it is, but whether it's going to chew your gum trees...