Benu:
1. a bird-god sacred to Ra and Osiris, and the incarnation of the soul of Ra and the heart of Osiris;   2. Venus as a morning star was identified with him;   3. Benu was self-produced, and the bird appeared each morning at dawn on the Persea Tree in Anu;   4. the Greeks connected it with the Phoenix      (An Egyptian Hieroglyphic Dictionary, Vol.1, E.A. Wallis Budge)