I did hear a gurgle a few times when he was breathing that way, maybe even a slight wheeze. No liquid coming out of his beak or eyes, and no listlessness. He has been eating, though he is not well liked by the other chickens because of his rough hormonal mating (which is starting to get over) so...
His eyes seem a little bit more watery then usual when he's breathing that way. His comb is bright red, no paleness. I was hoping to get a video of him doing it, if I can.
My 5 month old bantam mix cockerel, Buttercup, acts fine during the day, but when he's sleeping or resting, he starts slowly opening and closing his eyes and breathing with his mouth open as if he was having a hard time breathing. It started when the cold weather came and I think it may be from...