The second volume of the book series describes in a compact form the colour canaries and the fascinating breeding of carduelid hybrids.<br/>The author gives an overview of the history of genetics and the mechanisms of plumage colouration. The latest scientific findings are included.<br/>All currently bred and internationally recognised varieties of colour canaries are described in words and pictures. New are the colour descriptions according to the RAL colour system.<br/>Furthermore, there are valuable hints on breeding hybrids between canaries and other carduelids or between different carduelid species. Many mating is discussed and presented with pictures.<br/>These topics are rounded off with the necessary hints for participation in exhibitions and bird evaluations. <br/>In the appendix you will find a whole series of tables for the most diverse mating between individual canary colours.