Ellaluvsbirds is right to point out that it may be a bit of a challenge. I do think you are right to be concerned about the smaller male. Adding only one female could well be deadly for her, and yes, could stir up more antagonism between the males.
If it were me, I would separate them so that they could still see each other. Things may well calm down after mating season. I feel that if someone were to come up with something benign that would suppress libido for drakes, they could make a mint.
If it were me, I would separate them so that they could still see each other. Things may well calm down after mating season. I feel that if someone were to come up with something benign that would suppress libido for drakes, they could make a mint.
![lol.png](https://www.backyardchickens.com/styles/byc-smilies/lol.png)