Question: what is the primary difference between hominids and hominins?
Answer: A hominid is a member of the family Hominidae, the great apes: orangutans, gorillas, chimpanzees and humans. A hominine is a member of the subfamily Homininae: gorillas, chimpanzees, and humans (excludes orangutans). A hominin is a member of the tribe Hominini: chimpanzees and humans.