I went out yesterday to check on my birds, and Rocky, my RIR Rooster had this... bubble-ish thing on his comb, kinda like a fluid-filled sac of sorts... I tried and tried to get pictures, but it didnt work out too well, lemme give you what I got...
On this one, its right to the right of my finger there.
On this one, its right to the right of my finger there.