Anzu is Mana's hawk, in the anime. It is unnamed in the Japanese version.

When Atem and Mana heard that Mahad was battling Bakura, Mana sensed he was in danger, so she whistled for Anzu. Anzu then flew down to them and was given a message to take to the palace.

Sacred Guardians summoning

The Sacred Guardians after being summoned by Anzu