My brown leghorn was put out in the yard in the am with the other 3, and my daughter noticed shortly after the comb was bend over its eye. She picked it up and said it felt warm, we told her to bring her in the shade. The urgency wasn't apparent that there was something wrong. A little while later we found her dead in the yard. I asked my daughter if she had been breathing funny and she said yes, labored kind of. Any idea what was wrong? So sudden, seemed normal before the things my daughter saw; and I wish I had thought twice about what she was saying to me and I may have noticed and been able to do something to have helped her. I didn't think twice about what my little one was seeing. What could it have been? Teaches me to Always listen to your observant kids right away.