>>102036572Because with that many species of animals, incompatible for producing viable and fertile offspring, there'll be a million combinations of non-productive pairings, and only a comparative few productive ones.
Imagine if blacks, asians, whites, etc, couldn't produce kids, or the kids were infertile. Then multiply it by as many species as you can identify in the comic, and more.
Then multiply it again, because homosexual pairings has to be taken into account as well.
A society like that is at the brink of collapse at all times.
