Horse
Besides the horse, there are six other species of genus "Equus" in the Equidae family. These are the ass or donkey, "Equus asinus"; the mountain zebra, "Equus zebra"; plains zebra, "Equus quagga"; Grévy's zebra, "Equus grevyi"; the kiang, "Equus kiang"; and the onager, "Equus hemionus".
Ponginae
Ponginae is a subfamily in the family Hominidae. Once a diverse lineage of Eurasian apes, the subfamily has only one extant genus, "Pongo" (orangutans), which contains three extant species; the Sumatran orangutan ("Pongo abelii"), the Tapanuli orangutan ("Pongo tapanuliensis,") and the Bornean orangutan ("Pongo pygmaeus"). All three species are listed as critically endangered by the International Union for Conservation of Nature (IUCN).