>>608225because they are prehistoric hominids
>>608252all people excluding africans mixed with neanderthals in europe and later spread across the world. In animal kingod, let's say coyotees mixed in 2-4% with let's say foxes it would be enough to name different species, even if we still can produce fertile offspring by mixing. Face it blacks are different species. Rest of hominids migrated, build civilizations, evolved (both inteliggence and looks), blacks didn't.