 Daniels advises that these trophy hoards are used as status displays among his kind, and further advises that he wanted the investigators to know "exactly what you're dealing with".Serial killers often collect trophies of their kills, and the new species does the same.Upon learning that the new species can breed with humanity, but due to their dominant genetic traits the children of such a pairing are always the new species, they are given the name "Homo dominant".