Ring-tailed Lemur Lemur catta (free-ranging)
Serval Leptailurus serval (in a separate enclosure)
Fennec Fox Vulpes zerda (in a separate enclosure)
Cape Rock Hyrax Procavia capensis (in a separate enclosure)
Mallard Anas platyrhynchos
Eurasian Wigeon Anas penelope
Mandarin Duck Aix galericulata
Ringed Teal Callonetta leucophrys
Ruddy Shelduck Tadorna ferruginea
Common Shelduck Tadorna tadorna
Common Moorhen Gallinula chloropus
Great White Pelican Pelecanus onocrotalus
Blacksmith Plover Vanellus armatus
Black-necked Stilt Himantopus mexicanus
Greater Flamingo Phoenicopterus rosaceus
African Spoonbill Platalea alba
Roseate Spoonbill Platalea ajaja
Black-faced Spoonbill Platalea minor
Scarlet Ibis Eudocimus ruber
American White Ibis Eudocimus albus
Sacred Ibis Threskiornis aethiopicus
Marabou Leptoptilos crumenifer
That is quite a bird collection! I'm not sure if it's entirely indoors or a mixed indoor/outdoor aviary, but its impressive nonetheless! I like what I see, and also the size of their Black-necked Stilt colony - your photo shows at least 21 of them!