To dream about canary means that you are a very sensitive person in a good way. You tend to sympathize other people, especially if they are feeling bad. The canary could also signify the fact that you are living your life to the fullest. You enjoy your life and feel happy about it as well. The canary dream could be applied to other people as well not only to you, but to those who are in your waking life.
Read more about dreaming of Canary in other dream meanings interpretations.