I visited Today, and I was surprised to see them. I worried they would escape because a couple of them got on the Wall between the restaurants and the Zoo.
Multiple zoos have free-roaming animals that can escape in theory, but they usually don't as they don't like the city scape (if the zoo is in a city, at least) and don't like to get too far from their food source
Today I visited River Wonders and Bird Paradise. When I was having dinner at KFC outside the Zoo gates, I saw the male Indian Peafowl calmly walking around the restaurants, heading toward the bus gate...