we have a 3 yr old JG who is generally top of the flock of 5. It has been very cold here, with a foot of snow last week, now warmer and melting. She has been keeping apart from the others though she knows they are getting treats (and eats happily when I give them to her). She won't follow them, roosts much of the day, and today was making an odd cluck/cough. I'm not looking to medicate her but wonder what, if anything I might keep on the lookout for? thanks.