According to relevant information, it is not illegal to query and display. Any organization or individual has the obligation to protect wild animals and their habitats. It is forbidden to illegally kill wild animals or destroy their habitats. Any organization or individual has the right to report or accuse violations of this law to relevant departments and organs. The competent department of wildlife protection and other relevant departments and organs shall promptly handle reports or complaints according to law. In violation of hunting laws and regulations, hunting with prohibited tools and methods in the game reserve or during the game reserve period; Provisions on heavier punishment, conviction and punishment. Whoever commits this crime shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, public surveillance or a fine. If a unit commits this crime, it shall be fined, and its main responsible personnel and competent personnel shall be punished in accordance with the above provisions. Domestic goldfinches are not national protected animals, but ornamental birds. Private individuals are free to raise, and buying and selling is not illegal. Therefore, it is not illegal to sell your own canary.