I have a 3 week old chick who has been quiet and generally lethargic for a few days. I have brought it back into the house, and I went and got it an electrolyte/vitamin mix today, and have been watering her by syringe. I noticed there is a strange crackling sound when she drinks. I thought at first it was her feathers on my shirt, but then realized it was inside her body. Im not sure if its her lungs, or her vent area. Any ideas?