Jay Willingham answered 11/20/2009 I Have A Birthmark On My Left Leg And On The Back Of My Neck. I Am Native American. I Was Just Wondering What Tribe Am I From When Both Birthmarks Look Like Birds? I have a birth mark on left knee looks like, hart and square joined up diagonaly, or africa and south america joined????I have olive skin, my dad has olive skin,white on mums side!! Don't know roots....