This information is not completely correct! FEMALE HYBRIDS between 2 genus are always infertile! Based on a study done, not too long ago, males are NOT always serious and may sometimes fertile, even if they have low fertility, but some may have the ability to reproduce. I'll try to find the study. I have been researching this in for almost 4 years because I have a male hybrid Canada x swan gander!
Hope this helps!
Would love to know what happened with your geese ? Do you get hybrids?
