 They have wings as well as arms, and beaks instead of mouths, and come in a variety of colours.They hatch from brightly coloured eggs in treetop nests, and although colourless eggs are sometimes laid, they are considered by the mothers to be unlucky and are rolled out of the nest.Quetzal naturally flock together in groups, and all quetzal share access to a collective Memoryplace, to which every quetzal can add.