rillekolmard: I have the same opinion as you, they should arrange some better exhibit for the flamingos, preferably an aviary. Nice picture!
Jana: The group consist of both greater flamingos (Phoenicopterus roseus) and carribean flamingos (Phoenicopterus ruber) and a few hybrids (at least some years ago). Both species don't succeed with their breeding every year but either one of them always do. So there's a few chicks almost every year. The whole group consist of around 40 birds.