EDIT : Sorry link was broken earlier.
My father and I used to hunt for groundhogs around an old mound in Fishersville, Virginia. These things are all over the place, sticking up out of otherwise flat fields. The original colonists couldn't excavate them in many cases so they just planted around them.
Homo Sapiens isn't the peak of evolution. He's a cloned, imitation lite-brand slave/servant/soldier created by grinding down Neanderthal genes into a miniature bonsai-tree version. He is not evolving into a higher form of life - he is rapidly devolving as conditions promote his worst genes and his grafted brain size is deflating like a leaky balloon. At the end of the day, this is normally a cold planet and he is not adapted to it. All the races look poorly adjusted to long term survival on Earth. His only strength is his zombie clone collectivism and once he has to prove his own mettle he doesn't survive long apart from the group. Neanderthals, by contrast, thrive anywhere alone or in small tribes. There isn't a place on this planet no matter how inhospitable that Neanderthals can't change into a terrestrial paradise with only a few years to work. That's your original man there, not a cheap copy from mass production.