After war time, this wouldn't be surprising. All the males in a tribe can easily get wiped out in one or two engagements, leaving only females and children. In

After war time, this wouldn't be surprising. All the males in a tribe can easily get wiped out in one or two engagements, leaving only females and children. In Russia after WW2 the ratio of female:male was 4:3 Imagine what that ratio would have been after a war in olden times.