Never mind! The white stuff i saw is normal (i think). It is at the back/bottom of the tongue, and its like white spiky looking, all the others have it. I haven't seen them drink from the water, but it is a big possibility, my city has doves and pigeons that fly around everywhere, like everyone has pigeons and doves in their yard, all the stores have pigeons that go inside and eat stuff. We have a ton. Thing is, all of my other chickens are still fine, except for that one. I'm starting to think the white spot i saw earlier was a piece of paint she ate. The coop was painted with acrylic white storm coat paint, if she ate some off would it cause this? I'm not sure what s going on, becasue they usually all eat the same things, so why did she eat paint and no one else did? So i guess it isn't paint, and she is sick with something, but no one else got sick, yet. I don't know so many things i think or thought it could be.