Tasmania Is Hiring for a 'Wombat Walker' and Other Odd Jobs

https://en.wikipedia.org/wiki/Wombat

Wombats leave distinctive cubic faeces.[9] As wombats arrange these feces to mark territories and attract mates, it is believed that the cubic shape makes them more stackable and less likely to roll, which gives this shape a biological advantage.

The engineering prowess of the beaver, Australian-style.

I bet the image of one surrounded by poo constructions makes them less-appealing.