It used to have 450 animals. Many of them died in the bombing of the country or were carried off by looters.
Zoo workers said the 80 animals which are left are doing well considering what they're been through.
They said the creatures were half-starved and rattled by bombs and bullets when they arrived three months ago.
Funding from wildlife organisations has helped rebuild the zoo.
New creatures at the 2,000-acre park include lions which once belonged to a son of the former Iraqi leader, Saddam Hussein.