Chickenman MAN
Songster
or dehydration or be an indicator of blood circulation issues resulting from a respiratory infection or even a heart problem.Ambient temperature changes can cause a rooster's comb to change colors. It's not uncommon to see, on a hot day, a rooster sporting a brilliant red comb as blood pulses through it, cooling before it moves back inside -- a very important trait for an animal who cannot sweat. Likewise, when the temperature drops, the comb may darken, as blood flow to the comb slows to retain heat in other parts of the body.
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