Mushroom Varients for Chickens, Pigs etc.

The Mushroom Island only has Mooshroom, so why not cluckshrooms, oinkshrooms, and wooshrooms?

#1: Cluckshroom: Chicken with mushrooms. Lays Stinky Eggs. Drops chicken, feathers & mushroom.

#2: Oinkshroom: Pig with mushrooms. Drops porkchop & mushroom.

#3: Wooshroom: Sheep with mushrooms. Has Sporewool. Drops mutton & mushroom.

#4: Neighshroom: Horse with mushrooms. Drops Infected Leather & mushroom.

Note: Mooshroom now also drops Infected Leather (Leather with some mushrooms).