Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
In Europe it is very popular to cross Canaries with other finches. The Goldfinch, the European Siskin and the European Green Finch are most often used. The overwhelming majority of these crosses are infertile, hence the term “mule.” Mules are produced for their singing ability and are also exhibited at shows.
