Hi

Canaries and Zebra finches will not cross breed. If you are keeping the canaries and zebra finches together, the zebra finches will cause problems at breeding time because they will steal nest material from the canary hens that are sitting

If you want to cross breed canaries the hens will breed if housed alone with a goldfinch cock, linnet cock and greenfinch cock. All of these hybrids will be infertile.

note the british birds need to be captive bred, it ia against the law to take them from the wild