Hello! I'm hoping someone can give me some input, I am new to chickens, 5 months and counting. I have a roomy coop with 8 birds right now and I am getting scared! About 4 weeks ago my beloved black copper maran began acting lethargic and suddenly died. I thought maybe it was just the otherworldly heat. Then about 2 weeks ago I had a black silkie in the same coop act like her leg didn't work then she died! Then sadly last week my blue copper maran suddenly died. Then this week now I have another bird acting lethargic and limping like it's leg is injured. I'm afraid she is on her way out too! Imagine my horror! I don't know what to do, if it's disease or coincidence. I'm desperate for guidance!