Dark Menagerie Mod 1 7 10, 1 7 2
Dark Menagerie Mod 1.7.10, 1.7.2 add a bunch of mobs to Minecraft that would fit in with vanilla and not be distracting. It also give each mob their own quirks, traits and even some special AI methods.
Download Dark Menagerie Mod 1.7.10, 1.7.2