Buy Red Factor Canary Online. The Domestic Canary, is a domesticated form of the wild canary, a small songbird in the finch family originating from the Macronesia Islands. The canaries were first bred in captivity in the 17th century. They were brought over by Spanish sailors to Europe. This bird became expensive and fashionable to breed in courts of Spanish and English kings. The red-factor canary is an example of a color-bred canary or a canary that is bred and prized for its color, rather than its song, although their song is beautiful as well! "Red Factor" refers to the gene that allows for red coloring which ranges from pale orange to bright red to bronze-red in color. The Red Factor Canary was developed by Dr. Hans Duncker (a German Breeder) in the early 1900s by crossing a male red siskin with a yellow canary. Some say the yellow canary was a German Roller, while others believe that its ancestor is a Border Canary.  Red Factor Canaries for sale are sure to add vibrant color to your aviary.