Peewee chicks (two of the four I have in care) and the noisy miner chick. The noisy miner is older than the peewees and is perching and flapping, but that doesn't strop her from jumping into the nest with the peewees for snuggly warmth. The nursery cage is one of those horrible, tiny cyclindrical jobs people torture canaries in, but it's excellent for chicks. It has 3 doors. When the peewees start to perch I'll move them into a larger cage.