Mauler (The Great Hunger) - Faboslav/friends-and-foes GitHub Wiki
Maulers are small neutral mobs exclusive to the savanna, badlands and desert biomes.
Spawning
Maulers spawn naturally above grass blocks or dirt in savanna, coarse dirt or red sand in badlands or sand in desert.
Drops
Maulers drops all stored experience points as experience orbs when killed.
Appearance
Spawned maulers have appearance corresponding to the biomes they spawn in. Maulers can vary in size, that means the more experience points is stored in the mauler the bigger it is.
Behavior
Maulers hunt chickens, rabbits, frogs, baby zombies and small slimes, maulers also becomes hostile to a player or other mob that attacks it.
Sometimes maulers can burrow down to the ground bellow and wait there for its prey.
Storing and extracting experience points
You can feed maulers by right clicking it with enchanted item/book. It will eat the given item/book and store the experience points in it. When mauler does have stored any experience points you can right click on it with an empty glass bottle(s) and fill it with experience, thus getting the Bottle o' Enchanting.