Tonight is the first night that we put our 6 month old runners into the chicken coop with our mixed flock of chickens. I went in to visit(I had been at work all day and had to have some ducklove) and when I went to put down my drake, Nod, he threw up a milky liquid. He has never done this before and appears to be fine now. The ducks have always been around the chickens and tend to rule the roost. Am I just paranoid? I am checking on them every half hour but I see nothing startling or out of the ordinary. We have a peep hole to check on them...