No, wombats don't have a square anus. During the long digestive process, which takes 14 to 18 days, the digested food becomes very dry and compact. There are horizontal grooves in the small intestine that are likely to turn stool into cubes . At the same time, the rectum is relatively flat, which allows it to maintain a cubic shape.
Thus, we can conclude that wombats, leading nocturnal lifestyle and having poor eyesight, but a sharp sense of smell, use feces as the main way to communicate, where do they live and are there any outsiders nearby to avoid conflict. Cubic poop comes from diet and long digestion. In addition, the cubes are perfectly placed on the tops of stones or logs, and due to the flat edges they do not roll off the surfaces. Yes, poop turned out to be trickier than we thought
The Question, what are you doing? You make me google what wombat poop looks like, stop it!
Evolution is a very bad thing. Well, everyone knows that the fittest survives and gives offspring so that its traits remain with the offspring. It can develop gradually, or maybe bang a mutant be born to do everything and give an awesome offspring and live a sour life.
So here is a wombat. The wombat has a square anus. That is, roughly speaking, he crumbles with cubes. This, in fact, is very convenient, since since wombats live in hilly areas, round kittens have a tendency to slide down, which prevents the wombat from marking territory.
And now imagine. Prehistoric round-anus wombats live for themselves, do not touch anyone, and here He is born. It is not known how the genes lined up or what should be lined up there, but his anus was square. At first no one paid attention to him, but then ... he defecated. Cube Ideal. "Son of God!", Shout the wombat-peasants, the Magi are running, all this. He is adored, respectively, by a bunch of females, a bunch of children, who, it turns out, are the grandchildren of God, which is the same norm, but the round anus were born, but they should have been thrown off the cliff, but there are no rocks where wombats live, so they were just exponentially let go head over heels with hill. So that it was not familiar. Other wombats, of course, are of such type right away, well, we also did not make a finger, they began to modify their deposits so that the cubes were. But you can't modify the anus, it's a Gift. Well, apparently, since all the other wombats were engaged in their own shit, all the females in the world got the same, and actually since then the wombat has a square anus.
Nature is a miracle
It is doubtful the statement without the display of feces. I have met wombats while traveling in Australia. I remember that they prefer to live in a grassy bush and dig huge holes there, but I have not seen the stones that wombats shit on.
The wombat has an anal opening in a special way. Passing through it like through a nozzle for a pasta machine, the feces acquire a "cut". This is important for this reason: the wombat marks the territory, laying out its feces on stones and tree trunks. The cubic shape helps the poop not roll off the rounded surface.