Is possible this mod delete all natural vanilla spawn animals?.
I understand this mod replaced Cows, Sheeps, Horse, etc for Animania Mods (And replace the Vanilla).

But these is a problem i see. The ocelot dont spawn on the Jungle. And another mob i add "Foxes" from Outfox dont spawn too in Naturally biomes designed.

I check this with "Nature compass (Another mod)" in Various worlds in the Jungle and Forest Biomes and nothing happen.

I'm playing the 1.12.2

We don't interfere with spawning of other animals. There exists a (vanilla) peaceful mob cap which will fill up quickly with animania installed. You will probably see much less of other mob spawns.