I don't think the game has that in terms of breeding different modded species. The 'vanilla' game doesn't have to worry about any of that because there's only one species, and this game is really hard to mod in terms of changing code because of the way it was built. That's why most mods are simple like new maps, characters, and some items mods that are built off of already existing functions.Anyone knows what mods mess with genetics, as in what the egg can result in?
As in...
If I breed a female Kobold with a Male Dragon I expect either female Kobold, male Kobold, female Dragon or male Dragon to hatch.
...and not Krystal the Fox, a bird or a robot.
Genetics as in Genitalia size, breast size, etc. works fine, but for whatever reason the species is almost completely randomized.
I also didn't see a male Kobold, they seem to have vanished from my game.
TLDR; there aren't any mods that do what you're asking for afaik
EDIT: also, kobold sex is random (at least if you're hatching them from new eggs at the shop). I've noticed in my game that if I breed two males together (mostly on accident), their offspring has a higher chance of being male too. I don't know if this is purely coincidental or if it's actually a feature...