Problem is that we have such a small sample pool and not everybody working with mahogany is breeding them to mahogany at all. JKR has been working with them probably longer than most, but he doesn't mass produce like a lot of breeders do and he holds back a lot of what he is producing, and many of his projects with them are not going mahogany to mahogany, they are sticking to one parent having it and not the other because of what he is trying to produce. His one project where he is aiming for suma, he has a handful of clutches each year going mahogany to mahogany and holding back most of the suma.

The odds you posted are for suma to mahogany, which I think the majority of people are not doing. Mahogany to mahogany is going to be much more the path people are going which would be 25% suma. You have to understand that the experienced breeders for the most part are not trying to produce the same thing over and over, they are trying to add more morphs in, so going back to mahogany x mahogany over and over again rather than suma to mahogany because the sumas are going to non-mahogany to bring in new morphs.