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.

Are wombat Buttholes Square?

wombats do square poos! ... Yep, today's news is, wombats produce cube-shaped faeces, despite not having cube-shaped anuses.

Do all wombats poop cubes?

Humans may be fascinated by cubes, but only one animal poops them: the bare-nosed wombat. This furry Australian marsupial squeezes out nearly 100 six-sided turds every day—an ability that has long mystified scientists. Now, researchers say they have uncovered how the wombat intestine creates this exceptional excrement.