Hieroglyphics of Horapollo, tr. Alexander Turner Cory, , at sacred-texts.com
When they would symbolise one that is unsettled, and that does not remain in the same state, but is sometimes strong, and at other times weak, they depict an HYÆNA; for this creature is at times male, and at times female. 1
128:1 The Arabs still believe this to be the case.