@Mr Gharial I was about to post species lists both in this aviary as well as the crane row, so I'm glad you asked
Species I saw the day I visited (All of them where signed):
Southern screamer (Chauna torquata), Magpie goose (Anseranas semipalmata), Ringed teal (Callonetta leucophrys), Red shoveler (Spatula platalea), Ferruginous duck (Aythya nyroca), White-faced whistling duck (Dendrocygna viduata), Harlequin duck (Histrionicus histrionicus), White-headed duck (Oxyura leucocephala), Great white pelican (Pelecanus onocrotalus), Roseate spoonbill (Platalea ajaja), Scarlet ibis (Eudocimus ruber), Buff-necked ibis (Theristicus caudatus), Eurasian crane (Grus grus grus), Demoiselle crane (Anthropoides virgo) and Chilean flamingo (Phoenicopterus chilensis)