Mob Entity Blocks Add-on 1.21+

If you want to add new decorative elements to your builds, this solution is perfect for Minecraft. In the mod Mob Entity Blocks, you get access to more than 50 decorative blocks designed to look like familiar mobs. You can get blocks for all types of Wolves, Cows, Parrots, and other creatures by placing Soul Sand in the Stonecutter.

They have a separate tab in the inventory, so they won’t get mixed up with other items.