In Egyptian mythology, Bakha (also Bakh, Buchis) was the bull of Hermonthis. Bakha was an avatar of Menthu and was additionally said to be an incarnation of Osiris. He changed color twenty-four times a day, once per hour, and his fur grew in the opposite direction from other animals. The worship of the Buchis bull lasted until about 362 AD. Egyptian mythology (or Egyptian religion) is the name for the succession of beliefs held by the people of Egypt until the coming of Christianity and Islam. ... A bull is a male of various animal species, including: cattle elephant whale In English, bull is usually spoken to refer specifically to male cattle, with terms such as bull elephant disambiguating the term for other species. ... In Hinduism, an Avatar is defined as the incarnation (bodily manifestation) of an Immortal Being, or of the Ultimate Supreme Being. ... In Egyptian mythology, Menthu was a hawk-god of war. ... This article is about the god. ...
Compare with Apis. In Egyptian mythology, Apis (or Hapi-ankh) The living deceased one or Osiris incarnate in the sacred white Bull. ...
In Egyptian mythology, Bakha (also spelt Bakh, Buchis, and Bukhis) was the manifestation of the a deification of Ka (power/life-force) of the war god Menthu, worshipped in the region of Hermonthis.
As Ka is also the Egyptian word for bull, Bakha was said to manifest in a living bull, which, since Bakha was an aspect of a war-god, was said to be a wild bull, since these are aggressive when slightly provoked.
Eventually, the Bakha was identified as a form of the Apis, and consequently became considered an incarnation of Osiris.