Amerika-Tierpark: Flamingo-Land (species list in comments)

Species list:

Fulvous Whistling Duck
White-Faced Whistling Duck
Black-Bellied Whistling Duck
Ruddy-headed Goose (Signed in the Penguin Aviary, but seen here)
Ringed Teal
Lesser Brazilian Teal
Sharp-winged Teal
Laysan Teal (not signed)
Chilean Pintail
Cinnamon Teal
Chileo Wigeon
Red Shoveler
Rosy-billed Pochard
Hooded Merganser
Little Egret
Caribbean Flamingo
Black-crowned Night-Heron (not signed)
Scarlet Ibis
Black-faced Ibis
Roseate Spoonbill

Former holdings (still signed):
White-cheeked Pintail
Ruddy Duck

Very nice lineup!