Why Do Wombats Poop Squares?

The researchers say the distinctive cube shape of wombat poop is caused as a result of the drying of the faeces in the colon, and muscular contractions, which form the uniform size and corners of the poop. "Bare-nosed wombats are renowned for producing distinctive, cube-shaped poos.

Is a wombat's bum square?

Wombats poo in square-shaped blocks. The scientist found that wombat poo comes in cubes - not because the wombat has a square-shaped bum, but because it has a very long and slow digestive process, meaning it can take over two weeks for wombats to go to the toilet after eating a meal.

How do wombats stack their poop?

Wombats don't have great eyesight and so they use their droppings to communicate with one another. As such, they like to poop on rocks, logs or other elevated places to make their message more visible. The cube shape might therefore assist poo-stacking. Rounder faeces, after all, tend to roll away.