What makes silver dollar-sized holes in lawns?

Maybe what's making holes in your lawn the size of a silver dollar are bugs or something like that. Just fill them with fresh dirt and put grass seeds in it. If it doesn't work just call someone who is specialised in those kind of things. They could really help you!

Squirrels and birds when digging for nuts and worms usually make small holes like that. Or it could be gophers and moles.