Hello! I am hoping to get some guidance as I just had another chicken die. I took over my mom's flock almost a year ago. Three weeks ago one of the 4 year old chickens died. She looked exhausted and was lethargic. I thought she was broody as she didn't show any signs of being ill. She died and I thought it was old age. Three days ago I noticed one of my two year hens was fluffy and sitting in the nesting box. I thought she was broody and would pick her up and put her with the others. I took her out of the nesting box the last two nights and on put her on the roost. This morning she acted tired but did eat some watermelon. I went in there tonight and picked her up out of the nesting box. What I assume was mucus came out from her beak. I went back in and picked her up and put her in a box to separate from the others. She made a squawking sound and shook her head and mucus came out. Moments later she violently shook, squawked, stopped shaking, and then did it again and died. Can anyone help me diagnose this as I need to make sure I take the correct precautions for the rest of my flock. Everyone seems fine currently. I feel horrible and am nervous if it is a respiratory illness like it sounds, that it will spread. The more research I do, the worse I feel. Any ideas/suggestions/commentv Thanks for your help!!