There is a bird trapped in the assembly hall. Tristram is sure of it. He can see it climbing along the window cages near the ceiling. He can hear the wire creaking as it moves along. He cannot see it clearly, as the moonlight is dimmed by clouds. What sort of bird is that? It is large, and it has a crest. Is it a cockatoo? What sort of bird is that? It is large, and it has a crest. Is it a cockatooTristram squints his eyes and sits up in his sleeping bag. Suddenly, the clouds outside part and moonlight floods in through the high windows. Tristram can see that it is a cockatoo, but not a sulphur-crested cockatoo. Those birds are one of the larger cockatoos, and they are pure white with a bright yellow crest. This bird is…red? It cannot be red. There are no red cockatoos. The moonlight

