What's wrong with the white -faced mountain sparrow without taking a bath?

The white -faced sparrow does not take a bath and indicates that it will not be washed, especially young birds.It itself likes bathing. The method usually adopts is a water bath. If you want to take a bath, you need to prepare a water basin first, pour the appropriate amount of water inside, and then put it in the bird cage.It's right.It should be noted that it is best to take a bath on sunny days, and you need to expose the sun after each washed, which can prevent it from being frozen.