i don't know what you mean by sheepskin but you don't have to feed any animal in mc
Grass, Probably.
no!
Minecraft's bats do not eat anything. You can't feed them anything nor do they look for any other kind of food.
If by "Ugg Sheepskin" you mean double face, footwear quality sheepskin, then most sheepskin footwear manufacturers will have a great deal of sheepskin offcuts and scraps. Celtic Sheepskin (www.celtic-sheepskin.co.uk) in the UK can supply a large bag of offcuts / scraps for the cost of the postage.
No, villagers do not eat.
no
Horses in Minecraft eat hay. This can be made using wheat. You can also feed them apples.
They don’t eat
They don't eat... yet.
A wolf puts on a sheepskin in the fable "The Wolf in Sheep's Clothing".
The "sheepskin" refers to a college degree, so "without a sheepskin" refers to without a college degree. Many years ago, college diplomas were printed on certficates made from sheepskin.
The wolf puts on a sheepskin.