What do you think it is? sorry question area did not allow enough room.

sounds like the birthmark that is often called "portwine stain" try looking it up on google. the mixed race theory sounds like hogwash to me.

Try this for some answers. http://skin-care.health-cares.net/birthmarks.php

I have 3 kids 12 years old, 7 years, and 5 weeks all of them were born with the mark on their lower back and butt it looks like a bruise it goes away by the time they are 3 or 4 years old my kids are mexican and italian and I was also told it was due to mixed race there is a name for the mark I dont remember what it is but its nothing to worry about.

right on the top of the butt crack right ? Its called a mongolian birthmark and my son has one . His dad is mexican so that cross breeding theory makes sense to me.

It definitely isn't positioning. The answers given are good ones! Read through them. It's nothing to worry about, dear.

A Mongolian Spot, Mongolian Fleck or Mongolian Blue Spot is a benign flat congenital birthmark with wavy borders and irregular shape, most common among East Asians and Turks, and named after Mongolians. It is also extremely prevalent among East Africans and Native Americans. It normally disappears three to five years after birth and almost always by puberty. The most common color is blue, although they can be blue-gray, blue-black or even deep brown. it is most commonly found amongst those of Asian ancestry, but the incidence amongst children ofCaucasians (Europeans, North Africans and those of the Indian subcontinent) is up to 10%. AMongst children of Hungarians, it is up to 22%, probably because of the invasions of the Huns from Central Asia in the first millennium. What it probably means is that, either you and your husband are amongst the 1-10% of Caucasians who have the gene, or your ancestry contains Hun, Turk or Asian blood somewhere along the line. You may not look it. The ancestry may be generations ago. My younger daughter had it.My husband is half Italian, half German. My descent is mostly Caucasian, but, by doing the family tree, I have found ( a long way back)AFrican, Eastern European and Asian blood. The Mongolian spot could have come through any of these lines.

Yes it is called a Mongolian Mark.

NO, IT'S NOT DIFFERENT RACES OR MIXED RACES. IF YOU ARE MEXICAN INDIAN, YOU HAVE THAT MARK. ALSO, THE JAPANESE HAVE THAT MARK. I DON'T KNOW IF OTHER INDIANS HAVE IT, BUT I BELIEVE THAT WE ARE A BLEND OF ORIENTAL, AS WELL AS, WHITE. MEXICANS ARE CONSIDERED "WHITE" OR CAUCASOID, THOUGH WE ARE NOT ANGLO. COLUMBUS, WHO WAS SPANISH, NOT ITALIAN WAS NOT THE FIRST TO COME TO AMERICA. THE VIKINGS WERE THE FIRST AND THE CHINESE, OR PEOPLE FROM THE ORIENT. THE ORIENTALS BROUGHT THE MONGOLIAN BLUE MARK TO THE AMERICAS. HAVE YOU EVER SEEN A CHILD BORN OF ANGLO AND ORIENTAL PARENTS, THEY RESEMBLE MEXICAN OR INDIANS.

Columbus was not Spanish. Columbus sailed for the Spanish. He was Italian.

In many Asian cultures, that's the mark from the birth lady who kicks the child out of the womb. It disappears. Since Asians don't mix very much in Asia, I'd say research is wrong.